{"id":423775,"date":"2024-10-04T21:09:04","date_gmt":"2024-10-04T21:09:04","guid":{"rendered":"https:\/\/otavietnam.com\/blog\/quang-binh-phong-nha-ke-bang-30-nam-hanh-trinh-ky-thu\/"},"modified":"2024-10-04T21:09:04","modified_gmt":"2024-10-04T21:09:04","slug":"quang-binh-phong-nha-ke-bang-30-nam-hanh-trinh-ky-thu","status":"publish","type":"post","link":"https:\/\/otavietnam.com\/blog\/quang-binh-phong-nha-ke-bang-30-nam-hanh-trinh-ky-thu\/","title":{"rendered":"Qu\u1ea3ng B\u00ecnh: Phong Nha-K\u1ebb B\u00e0ng – 30 n\u0103m h\u00e0nh tr\u00ecnh k\u1ef3 th\u00fa"},"content":{"rendered":"<\/p>\n
\n\tH\u01a1n 30 n\u0103m qua, b\u1eb1ng s\u1ef1 kh\u00e1m ph\u00e1, chinh ph\u1ee5c v\u1edbi ni\u1ec1m say m\u00ea \u0111\u1eb7c bi\u1ec7t d\u00e0nh cho hang \u0111\u1ed9ng, c\u00e1c chuy\u00ean gia thu\u1ed9c Hi\u1ec7p h\u1ed9i nghi\u00ean c\u1ee9u hang \u0111\u1ed9ng Ho\u00e0ng gia Anh (BCRA) do \u00f4ng Howard Limbert d\u1eabn \u0111\u1ea7u \u0111\u00e3 mang \u0111\u1ebfn cho Qu\u1ea3ng B\u00ecnh nhi\u1ec1u s\u1ea3n ph\u1ea9m du l\u1ecbch m\u1ea1o hi\u1ec3m \u0111\u1eb3ng c\u1ea5p qu\u1ed1c t\u1ebf.\n<\/div>\n
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\n\t<\/em><\/p>\n

\n\tHang S\u01a1n N\u1eef \u1edf x\u00e3 Tr\u01b0\u1eddng S\u01a1n v\u1eeba \u0111\u01b0\u1ee3c ph\u00e1t hi\u1ec7n.<\/em><\/p>\n

\n\t1\/Cu\u1ed1i th\u00e1ng 3 n\u0103m nay, c\u00e1c chuy\u00ean gia th\u00e1m hi\u1ec3m BCRA c\u00f4ng b\u1ed1 \u0111\u00e3 ph\u00e1t hi\u1ec7n th\u00eam h\u00e0ng ch\u1ee5c hang \u0111\u1ed9ng c\u00f2n nguy\u00ean s\u01a1 v\u00e0 \u201cr\u1ea5t kh\u00e1c bi\u1ec7t\u201d \u1edf ph\u00eda t\u00e2y Qu\u1ea3ng B\u00ecnh – n\u01a1i c\u00e1ch kh\u00e1 xa V\u01b0\u1eddn qu\u1ed1c gia Phong Nha-K\u1ebb B\u00e0ng. Theo \u0111\u00f3, trong chuy\u1ebfn kh\u1ea3o s\u00e1t k\u00e9o d\u00e0i ba tu\u1ea7n t\u1ea1i c\u00e1c huy\u1ec7n Minh H\u00f3a, Tuy\u00ean H\u00f3a (Qu\u1ea3ng B\u00ecnh), c\u00e1c chuy\u00ean gia hang \u0111\u1ed9ng \u0111\u00e3 ph\u00e1t hi\u1ec7n th\u00eam 22 hang \u0111\u1ed9ng m\u1edbi c\u00f2n nguy\u00ean s\u01a1, ch\u01b0a in d\u1ea5u ch\u00e2n ng\u01b0\u1eddi, d\u00e0i g\u1ea7n 12 km. \u0110i\u1ec1u \u0111\u00e1ng n\u00f3i, trong s\u1ed1 22 hang \u0111\u1ed9ng m\u1edbi, c\u00f3 n\u0103m hang \u0111\u1ed9ng \u1edf v\u00f9ng n\u00fai \u0111\u00e1 v\u00f4i t\u1ea1i x\u00e3 L\u00e2m H\u00f3a, huy\u1ec7n Tuy\u00ean H\u00f3a v\u1edbi chi\u1ec1u d\u00e0i h\u01a1n 3,3 km. Theo chuy\u00ean gia h\u00e0ng \u0111\u1ea7u th\u1ebf gi\u1edbi v\u1ec1 hang \u0111\u1ed9ng Howard Limbert, \u1edf L\u00e2m H\u00f3a c\u00f3 m\u1ed9t hang s\u00e2u 278 m v\u1edbi th\u00e1c n\u01b0\u1edbc ch\u1ea3y xu\u1ed1ng v\u00e0 ch\u1eafc ch\u1eafn n\u00f3 v\u1eabn c\u00f2n s\u00e2u n\u1eefa nh\u01b0ng c\u00e1c nh\u00e0 th\u00e1m hi\u1ec3m ch\u01b0a \u0111\u1ee7 thi\u1ebft b\u1ecb \u0111\u1ec3 kh\u1ea3o s\u00e1t h\u1ebft n\u00ean h\u1eb9n quay l\u1ea1i l\u1ea7n sau.<\/p>\n

\n\t\u201c\u0110\u00e2y l\u00e0 nh\u1eefng hang c\u00f2n kh\u00e1 tr\u1ebb v\u00e0 \u0111a ph\u1ea7n l\u00e0 hang \u01b0\u1edbt, c\u00f3 th\u1ea1ch nh\u0169 r\u1ea5t \u0111\u1eb9p. Ch\u00fang l\u00e0 nh\u1eefng hang \u0111\u1ed9ng nh\u1ecf nh\u01b0ng l\u1ea1i kh\u00e1 th\u00fa v\u1ecb, \u0111\u1eb7c bi\u1ec7t so nhi\u1ec1u hang \u0111\u1ed9ng m\u00e0 ch\u00fang t\u00f4i \u0111\u00e3 t\u00ecm th\u1ea5y \u1edf Qu\u1ea3ng B\u00ecnh. N\u1ebfu S\u01a1n \u0110o\u00f2ng, hang \u00c9n v\u00e0 nhi\u1ec1u hang \u0111\u1ed9ng kh\u00e1c ch\u1ec9 c\u00f3 m\u1ed9t l\u1ed1i ch\u00ednh \u0111\u1ec3 v\u00e0o th\u00ec h\u1ec7 th\u1ed1ng hang m\u1edbi n\u00e0y l\u1ea1i c\u00f3 r\u1ea5t nhi\u1ec1u h\u01b0\u1edbng ra v\u00e0o kh\u00e1c nhau. M\u1ed9t s\u1ed1 hang c\u00f2n th\u00f4ng nhau, t\u1ea1o ra nhi\u1ec1u l\u1ed1i \u0111i ngang l\u00e0m cho nh\u1eefng chuy\u1ebfn \u0111i v\u00f2ng quanh b\u00ean trong tr\u1edf n\u00ean r\u1ea5t th\u00fa v\u1ecb\u201d, \u00f4ng Howard Limbert chia s\u1ebb.<\/p>\n

\n\tChuy\u1ec7n ph\u00e1t hi\u1ec7n nhi\u1ec1u hang \u0111\u1ed9ng \u0111\u1eb9p \u1edf v\u00f9ng \u0111\u00e1 v\u00f4i Tuy\u00ean H\u00f3a \u0111ang khi\u1ebfn d\u01b0 lu\u1eadn ch\u00fa \u00fd th\u00ec g\u1ea7n \u0111\u00e2y, \u1edf khu v\u1ef1c r\u1eebng thu\u1ed9c b\u1ea3n \u0110\u00ecu \u0110o, x\u00e3 Tr\u01b0\u1eddng S\u01a1n, huy\u1ec7n Qu\u1ea3ng Ninh (Qu\u1ea3ng B\u00ecnh), ng\u01b0\u1eddi d\u00e2n \u0111\u1ecba ph\u01b0\u01a1ng \u0111\u00e3 ph\u00e1t hi\u1ec7n ra m\u1ed9t hang \u0111\u1ed9ng c\u00f3 h\u1ec7 th\u1ed1ng th\u1ea1ch nh\u0169 v\u00e0 d\u00f2ng su\u1ed1i ng\u1ea7m c\u00f3 nhi\u1ec1u b\u00ed \u1ea9n. Hang \u0111\u1ed9ng d\u00e0i h\u01a1n 1,5 km, n\u01a1i cao nh\u1ea5t c\u1ee7a c\u1eeda hang kho\u1ea3ng 30 m. Trong hang c\u00f3 nhi\u1ec1u th\u1ea1ch nh\u0169 \u0111\u1eb9p, ki\u1ebfn t\u1ea1o k\u1ef3 l\u1ea1. \u0110\u1eb7c bi\u1ec7t, th\u1ea1ch nh\u0169 tr\u00e0n ch\u1ea3y xu\u1ed1ng t\u1ef1a nh\u01b0 v\u00f4 s\u1ed1 b\u1ee9c r\u00e8m bu\u00f4ng v\u00e0 l\u1ea5p l\u00e1nh m\u1ed7i khi chi\u1ebfu \u0111\u00e8n v\u00e0o. C\u00f3 \u0111o\u1ea1n, th\u1ea1ch nh\u0169 tr\u1eafng ch\u1ea3y xu\u1ed1ng, tr\u00e0n ra nh\u01b0 t\u1ea5m l\u1ee5a tr\u1eafng kh\u1ed5ng l\u1ed3 m\u1ec1m m\u1ea1i, l\u1ea5p l\u00e1nh. V\u00e0o m\u00f9a h\u00e8, trong hang n\u01b0\u1edbc kh\u00f4ng nhi\u1ec1u, ng\u01b0\u1eddi d\u00e2n c\u00f3 th\u1ec3 b\u01a1i xu\u1ed3ng cao-su ho\u1eb7c ch\u00e8o sup t\u1eeb \u0111\u1ea7u hang \u0111\u1ebfn cu\u1ed1i hang h\u01a1n 1 gi\u1edd \u0111\u1ed3ng h\u1ed3, t\u1eeb \u0111\u00f3 \u0111i ra su\u1ed1i Khe M\u00e2y v\u1edbi khu r\u1eebng nguy\u00ean sinh h\u00f9ng v\u0129. Ng\u01b0\u1eddi d\u00e2n t\u1ea1m \u0111\u1eb7t t\u00ean hang n\u00e0y l\u00e0 S\u01a1n N\u1eef. Ch\u1ee7 t\u1ecbch UBND x\u00e3 Tr\u01b0\u1eddng S\u01a1n Ho\u00e0ng Tr\u1ecdng \u0110\u1ee9c cho bi\u1ebft, \u1edf s\u00e2u trong v\u00f9ng bi\u00ean gi\u1edbi Vi\u1ec7t Nam-L\u00e0o, d\u01b0\u1edbi t\u00e1n r\u1eebng nguy\u00ean sinh c\u00f9ng v\u00f4 s\u1ed1 n\u00fai \u0111\u00e1 v\u00f4i h\u00f9ng v\u0129 c\u00f3 nhi\u1ec1u hang \u0111\u1ed9ng.<\/p>\n

\n\t\"Ota<\/em><\/p>\n

\n\tV\u1ee3 ch\u1ed3ng chuy\u00ean gia hang \u0111\u1ed9ng Howard Limbert v\u00e0 anh H\u1ed3 Khanh trong m\u1ed9t chuy\u1ebfn th\u00e1m hi\u1ec3m.<\/em><\/p>\n

\n\t2\/V\u1edbi ng\u01b0\u1eddi d\u00e2n th\u1ecb tr\u1ea5n Phong Nha v\u00e0 v\u00f9ng \u0111\u1ec7m V\u01b0\u1eddn qu\u1ed1c gia Phong Nha-K\u1ebb B\u00e0ng, v\u1ee3 ch\u1ed3ng Howard Limbert d\u01b0\u1eddng nh\u01b0 \u0111\u00e3 tr\u1edf th\u00e0nh nh\u1eefng ng\u01b0\u1eddi b\u1ea1n th\u00e2n quen. V\u00e0 ngay ch\u00ednh Howard c\u0169ng \u0111\u00e3 d\u1ef1ng ng\u00f4i nh\u00e0 xinh b\u00ean b\u1edd s\u00f4ng Son \u0111\u1ec3 l\u00e0m ch\u1ed1n \u0111i v\u1ec1 sau nh\u1eefng chuy\u1ebfn mi\u1ec7t m\u00e0i xuy\u00ean r\u1eebng t\u00ecm ki\u1ebfm s\u1ef1 b\u00ed \u1ea9n. \u201cVi\u1ec7t Nam, Qu\u1ea3ng B\u00ecnh tr\u1edf th\u00e0nh qu\u00ea h\u01b0\u01a1ng th\u1ee9 hai c\u1ee7a t\u00f4i. V\u00ec th\u1ebf, t\u00f4i d\u00e0nh ph\u1ea7n l\u1edbn trong cu\u1ed9c \u0111\u1eddi m\u00ecnh \u0111\u1ec3 g\u1eafn b\u00f3 v\u1edbi Phong Nha\u201d, Howard n\u00f3i.<\/p>\n

\n\t\u00d4ng Howard Limbert chia s\u1ebb, h\u01a1n 30 n\u0103m qua, t\u1ea5t c\u1ea3 th\u00e0nh vi\u00ean trong chuy\u00ean gia th\u00e1m hi\u1ec3m, m\u1ed7i ng\u01b0\u1eddi m\u1ed9t ngh\u1ec1 nghi\u1ec7p, chuy\u00ean m\u00f4n kh\u00e1c nhau nh\u01b0ng c\u00f3 m\u1ed9t \u0111i\u1ec3m chung l\u00e0 d\u00e0nh s\u1ef1 \u0111am m\u00ea \u0111\u1eb7c bi\u1ec7t cho hang \u0111\u1ed9ng. H\u1ecd t\u1ef1 d\u00e0nh d\u1ee5m ti\u1ec1n v\u00e0 g\u00e2y qu\u1ef9 \u0111\u1ec3 c\u00f9ng th\u1ef1c hi\u1ec7n ni\u1ec1m \u0111am m\u00ea kh\u00e1m ph\u00e1 hang \u0111\u1ed9ng th\u00f4ng qua h\u00e0ng lo\u1ea1t cu\u1ed9c th\u00e1m hi\u1ec3m tr\u00ean th\u1ebf gi\u1edbi. Khi \u0111\u1ebfn Vi\u1ec7t Nam, bi\u1ebft \u0111\u01b0\u1ee3c ti\u1ec1m n\u0103ng v\u00f4 t\u1eadn v\u1ec1 hang \u0111\u1ed9ng t\u1ea1i Qu\u1ea3ng B\u00ecnh, nh\u00f3m chuy\u00ean gia \u0111\u00e3 h\u1ee3p t\u00e1c v\u1edbi Tr\u01b0\u1eddng \u0111\u1ea1i h\u1ecdc Khoa h\u1ecdc t\u1ef1 nhi\u00ean (\u0110\u1ea1i h\u1ecdc Qu\u1ed1c gia H\u00e0 N\u1ed9i) \u0111\u1ec3 ti\u1ebfn h\u00e0nh c\u00e1c cu\u1ed9c th\u00e1m hi\u1ec3m, kh\u1ea3o s\u00e1t v\u00e0 nghi\u00ean c\u1ee9u chuy\u00ean s\u00e2u v\u1ec1 hang \u0111\u1ed9ng.<\/p>\n

\n\t\u00d4ng Howard Limbert nh\u1edb l\u1ea1i: \u201cTrong m\u1ed9t chuy\u1ebfn th\u00e1m hi\u1ec3m n\u0103m 1999, nh\u00f3m ch\u00fang t\u00f4i kh\u00e1m ph\u00e1 xong hang Khe Ry v\u00e0 c\u1eafm tr\u1ea1i k\u00e9o d\u00e0i n\u0103m ng\u00e0y trong hang. Hang n\u00e0y tr\u1edf th\u00e0nh hang \u0111\u1ed9ng d\u00e0i nh\u1ea5t \u1edf Vi\u1ec7t Nam v\u00e0 c\u00f3 l\u1ebd c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c xem l\u00e0 hang \u0111\u1ed9ng s\u00f4ng \u0111\u01a1n d\u01b0\u1edbi l\u00f2ng \u0111\u1ea5t d\u00e0i nh\u1ea5t tr\u00ean th\u1ebf gi\u1edbi. Hang \u0111\u1ed9ng tho\u00e1t ra trong thung l\u0169ng kh\u00e9p k\u00edn n\u1ed1i v\u1edbi n\u01b0\u1edbc t\u1eeb hang \u00c9n. \u1ede h\u1ea1 l\u01b0u, c\u1ea3 hai v\u00f9ng n\u01b0\u1edbc n\u00e0y \u0111\u1ec1u \u0111i v\u00e0o m\u1ed9t h\u1ed1 ch\u1ee9a b\u1ecb ch\u1eb7n b\u1edfi c\u00e2y c\u1ed1i v\u00e0 \u0111\u00e1 cu\u1ed9i. 10 n\u0103m sau, c\u00e1c chuy\u00ean gia ph\u00e1t hi\u1ec7n ra r\u1eb1ng \u0111\u00e2y l\u00e0 n\u01b0\u1edbc cho hang S\u01a1n \u0110o\u00f2ng\u201d.<\/p>\n

\n\tC\u0169ng theo v\u1ecb chuy\u00ean gia hang \u0111\u1ed9ng n\u1ed5i ti\u1ebfng n\u00e0y, n\u0103m 2009, nh\u00f3m c\u1ee7a \u00f4ng c\u00f3 c\u01a1 h\u1ed9i kh\u00e1m ph\u00e1 hang \u0111\u1ed9ng kh\u00f3 n\u1eafm b\u1eaft m\u00e0 \u0111\u00e3 t\u00ecm ki\u1ebfm trong h\u01a1n 10 n\u0103m. M\u1ed9t ng\u01b0\u1eddi d\u00e2n \u0111\u1ecba ph\u01b0\u01a1ng l\u00e0 H\u1ed3 Khanh \u0111\u01b0a nh\u00f3m c\u00e1c nh\u00e0 th\u00e1m hi\u1ec3m \u0111\u1ebfn l\u1ed1i v\u00e0o m\u00e0 anh \u0111\u00e3 t\u00ecm th\u1ea5y v\u00e0o n\u0103m 1990, t\u1eeb \u0111\u00f3 hang S\u01a1n \u0110o\u00f2ng ch\u00ednh th\u1ee9c \u0111\u01b0\u1ee3c kh\u00e1m ph\u00e1 v\u1edbi chi\u1ec1u d\u00e0i h\u01a1n 6,5 km v\u00e0 k\u1ebft th\u00fac t\u1ea1i m\u1ed9t b\u1ee9c t\u01b0\u1eddng kh\u1ed5ng l\u1ed3 c\u00f3 t\u00ean l\u00e0 b\u1ee9c t\u01b0\u1eddng v\u0129 \u0111\u1ea1i Vi\u1ec7t Nam. S\u01a1n \u0110o\u00f2ng \u0111\u01b0\u1ee3c \u0111o \u0111\u1ea1c v\u00e0 v\u1edbi c\u00e1c d\u1eef li\u1ec7u thu \u0111\u01b0\u1ee3c, c\u00e1c chuy\u00ean gia th\u00e1m hi\u1ec3m Anh c\u00f4ng b\u1ed1, \u0111\u00e2y l\u00e0 hang \u0111\u1ed9ng l\u1edbn nh\u1ea5t t\u1eebng \u0111\u01b0\u1ee3c t\u00ecm th\u1ea5y tr\u00ean th\u1ebf gi\u1edbi.<\/p>\n

\n\t3\/ \u1ede Di s\u1ea3n thi\u00ean nhi\u00ean th\u1ebf gi\u1edbi Phong Nha-K\u1ebb B\u00e0ng, nhi\u1ec1u \u201cdanh hi\u1ec7u\u201d hang \u0111\u1ed9ng ngo\u1ea1i h\u1ea1ng \u0111\u00e3 \u0111\u01b0\u1ee3c thi\u1ebft l\u1eadp nh\u01b0: S\u01a1n \u0110o\u00f2ng l\u00e0 hang \u0111\u1ed9ng l\u1edbn nh\u1ea5t th\u1ebf gi\u1edbi, hang Khe Ry l\u00e0 hang \u0111\u1ed9ng s\u00f4ng d\u00e0i nh\u1ea5t th\u1ebf gi\u1edbi v\u00e0 hang \u0111\u1ed9ng d\u00e0i nh\u1ea5t Vi\u1ec7t Nam. C\u00e1c hang \u0111\u1ed9ng kh\u00e1c nh\u01b0 hang \u00c9n, hang ng\u01b0\u1eddi l\u00f9n c\u1ed5 (Pygmy) v\u00e0 hang V\u00f2m c\u0169ng n\u1eb1m trong t\u1ed1p 10 hang \u0111\u1ed9ng l\u1edbn nh\u1ea5t th\u1ebf gi\u1edbi. V\u00ec th\u1ebf, c\u00e1c chuy\u00ean gia ng\u01b0\u1eddi Anh cho r\u1eb1ng, kh\u1ed1i n\u00fai Phong Nha-K\u1ebb B\u00e0ng ch\u1eafc ch\u1eafn l\u00e0 m\u1ed9t trong nh\u1eefng khu v\u1ef1c \u0111\u00e1 v\u00f4i quan tr\u1ecdng nh\u1ea5t tr\u00ean th\u1ebf gi\u1edbi. C\u00f2n theo GS T\u1ea1 H\u00f2a Ph\u01b0\u01a1ng, Vi\u1ec7n Nghi\u00ean c\u1ee9u c\u1ed5 sinh Vi\u1ec7t Nam, Di s\u1ea3n thi\u00ean nhi\u00ean th\u1ebf gi\u1edbi Phong Nha-K\u1ebb B\u00e0ng l\u00e0 \u0111\u1ea1i di\u1ec7n ti\u00eau bi\u1ec3u c\u1ee7a Vi\u1ec7t Nam v\u1ec1 c\u00e1c gi\u00e1 tr\u1ecb di s\u1ea3n thi\u00ean nhi\u00ean, \u0111\u1eb7c bi\u1ec7t l\u00e0 nh\u1eefng k\u1ef3 quan hang \u0111\u1ed9ng karst mang \u00fd ngh\u0129a to\u00e0n c\u1ea7u. Trong V\u01b0\u1eddn qu\u1ed1c gia n\u00e0y, hi\u1ec7n h\u1eefu c\u1ea3 m\u1ed9t thi\u00ean \u0111\u01b0\u1eddng trong l\u00f2ng \u0111\u1ea5t v\u1edbi v\u1ebb huy ho\u00e0ng, lung linh, quy\u1ebfn r\u0169 m\u00e0 kh\u00f4ng d\u1ec5 n\u01a1i n\u00e0o c\u00f3 \u0111\u01b0\u1ee3c. \u0110\u1ec3 c\u00f3 nh\u1eefng k\u1ef3 quan v\u1eeba ho\u00e0nh tr\u00e1ng, v\u1eeba tinh t\u1ebf v\u00e0 di\u1ec7u k\u1ef3 \u0111\u1ebfn v\u1eady, trong b\u1ed1i c\u1ea3nh nh\u1eefng chuy\u1ec3n \u0111\u1ed9ng ki\u1ebfn t\u1ea1o m\u00e3nh li\u1ec7t t\u1eebng x\u1ea3y ra trong su\u1ed1t ba v\u0129 k\u1ef3 c\u1ee7a l\u1ecbch s\u1eed Tr\u00e1i \u0111\u1ea5t t\u1ea1i m\u1ea3nh \u0111\u1ea5t n\u00e0y, M\u1eb9 thi\u00ean nhi\u00ean \u0111\u00e3 ph\u1ea3i o\u1eb1n m\u00ecnh \u201cthai ngh\u00e9n, sinh th\u00e0nh\u201d.<\/p>\n

\n\tGS T\u1ea1 H\u00f2a Ph\u01b0\u01a1ng cho bi\u1ebft, th\u1ea1ch nh\u0169 trong c\u00e1c hang \u0111\u1ed9ng karst \u1edf Phong Nha-K\u1ebb B\u00e0ng \u0111\u01b0\u1ee3c h\u00ecnh th\u00e0nh ch\u1ee7 y\u1ebfu t\u1eeb ngu\u1ed3n n\u01b0\u1edbc ch\u1ee9a bicarbonate calci v\u1edbi n\u0103m ki\u1ec3u th\u1ea1ch nh\u0169: nh\u0169 nh\u1ecf gi\u1ecdt, nh\u0169 d\u00f2ng ch\u1ea3y, nh\u0169 th\u1ea5m \u0111\u1ecdng, nh\u0169 h\u1ed3 l\u1eafng \u0111\u1ecdng v\u00e0 nh\u0169 ng\u01b0ng t\u1ee5. Ch\u00fang g\u00f3p ph\u1ea7n t\u1ea1o n\u00ean v\u1ebb \u0111\u1eb9p khi th\u00ec ho\u00e0nh tr\u00e1ng, k\u1ef3 v\u0129, khi th\u00ec tinh t\u1ebf cho c\u00e1c hang \u0111\u1ed9ng n\u01a1i \u0111\u00e2y. Ngo\u00e0i ra, trong m\u1ed9t s\u1ed1 hang c\u00f2n c\u00f3 ng\u1ecdc \u0111\u1ed9ng l\u00e0 nh\u1eefng v\u1eadt th\u1ec3 h\u00ecnh c\u1ea7u v\u00e0 b\u1ea7u d\u1ee5c th\u01b0\u1eddng n\u1eb1m trong c\u00e1c khay nh\u01b0 ru\u1ed9ng b\u1eadc thang, l\u00e0 s\u1ea3n ph\u1ea9m c\u1ee7a qu\u00e1 tr\u00ecnh \u0111\u1ecba ch\u1ea5t tr\u1ea7m t\u00edch h\u1ebft s\u1ee9c l\u00fd th\u00fa. Ng\u1ecdc \u0111\u1ed9ng c\u00f3 hai lo\u1ea1i: lo\u1ea1i gi\u1ed1ng qu\u1ea3 na l\u00e0 do d\u00f2ng n\u01b0\u1edbc xo\u00e1y trong m\u00f9a l\u0169 \u0111\u00e3 vo tr\u00f2n c\u00e1c b\u00f9n travectin (\u0111\u00e1 l\u1ed7 r\u1ed7ng) c\u00f3 th\u00e0nh ph\u1ea7n kh\u00f4ng \u0111\u1ed3ng nh\u1ea5t v\u00e0 lo\u1ea1i trong su\u1ed1t, c\u00f3 v\u00e2n tuy\u1ec7t \u0111\u1eb9p.<\/p>\n

\n\tTheo Gi\u00e1m \u0111\u1ed1c Ban qu\u1ea3n l\u00fd V\u01b0\u1eddn qu\u1ed1c gia Phong Nha-K\u1ebb B\u00e0ng Ph\u1ea1m H\u1ed3ng Th\u00e1i, qua 20 n\u0103m th\u00e1m hi\u1ec3m, kh\u1ea3o s\u00e1t v\u00e0 nghi\u00ean c\u1ee9u (2003-2023), \u00f4ng Howard Limbert v\u00e0 c\u00e1c chuy\u00ean gia c\u1ee7a BCRA kh\u1ea3o s\u00e1t, ph\u00e1t hi\u1ec7n \u0111\u01b0\u1ee3c 425 hang \u0111\u1ed9ng, trong \u0111\u00f3 c\u00f3 389 hang \u0111\u1ed9ng \u0111\u01b0\u1ee3c \u0111o v\u1ebd v\u1edbi t\u1ed5ng chi\u1ec1u d\u00e0i 243 km. N\u1ed5i b\u1eadt nh\u1ea5t l\u00e0 vi\u1ec7c kh\u00e1m ph\u00e1 S\u01a1n \u0110o\u00f2ng- hang \u0111\u1ed9ng l\u1edbn nh\u1ea5t th\u1ebf gi\u1edbi, c\u00f3 \u00fd ngh\u0129a quan tr\u1ecdng trong nghi\u00ean c\u1ee9u th\u00e1m hi\u1ec3m hang \u0111\u1ed9ng \u1edf khu v\u1ef1c, \u0111\u00f3ng g\u00f3p to l\u1edbn v\u00e0o vi\u1ec7c qu\u1ea3ng b\u00e1 h\u00ecnh \u1ea3nh du l\u1ecbch Vi\u1ec7t Nam, Qu\u1ea3ng B\u00ecnh v\u00e0 Phong Nha-K\u1ebb B\u00e0ng ra th\u1ebf gi\u1edbi.<\/p>\n

\n\tHi\u1ec7n c\u00f3 h\u01a1n 50 hang, \u0111\u1ed9ng \u0111\u00e3 \u0111\u01b0\u1ee3c \u0111\u01b0a v\u00e0o khai th\u00e1c v\u00e0 ph\u1ee5c v\u1ee5 du l\u1ecbch, h\u01a1n 40 hang \u0111\u1ed9ng c\u00f3 ti\u1ec1m n\u0103ng du l\u1ecbch \u0111\u00e3 \u0111\u01b0\u1ee3c kh\u1ea3o s\u00e1t s\u01a1 b\u1ed9, 9 hang \u0111\u1ed9ng c\u00f3 ti\u1ec1m n\u0103ng du l\u1ecbch \u0111\u00e3 \u0111\u01b0\u1ee3c kh\u1ea3o s\u00e1t chi ti\u1ebft. Howard Limbert chia s\u1ebb, khi c\u00e1c hang \u0111\u1ed9ng d\u1ea7n \u0111\u01b0\u1ee3c bi\u1ebft \u0111\u1ebfn v\u00e0 \u0111\u01b0a v\u00e0o khai th\u00e1c du l\u1ecbch c\u00e0ng th\u00f4i th\u00fac nh\u1eefng chuy\u00ean gia ng\u01b0\u1eddi Anh ti\u1ebfp t\u1ee5c h\u00e0nh tr\u00ecnh kh\u00e1m ph\u00e1 nh\u1eefng b\u00ed \u1ea9n, k\u1ef3 th\u00fa gi\u1eefa th\u0103m th\u1eb3m \u0111\u1ea1i ng\u00e0n.<\/p>\n\n\n\n
\n\t\t\t\tTheo c\u00e1c chuy\u00ean gia c\u1ee7a BCRA, nh\u1eefng n\u0103m qua, c\u00e1c hang \u0111\u1ed9ng \u1edf Phong Nha-K\u1ebb B\u00e0ng \u0111\u00e3 g\u00f3p ph\u1ea7n l\u00e0m thay \u0111\u1ed5i cu\u1ed9c s\u1ed1ng c\u1ee7a ng\u01b0\u1eddi d\u00e2n trong khu v\u1ef1c t\u1eeb nh\u1eadn th\u1ee9c v\u00e0 sinh k\u1ebf. Kh\u00f4ng ch\u1ec9 m\u1edf c\u00e1c m\u00f4 h\u00ecnh du l\u1ecbch sinh th\u00e1i m\u00e0 nhi\u1ec1u ng\u01b0\u1eddi hi\u1ec7n \u0111ang l\u00e0m h\u01b0\u1edbng d\u1eabn vi\u00ean v\u00e0 nh\u00e2n vi\u00ean khu\u00e2n v\u00e1c trong c\u00e1c tour du l\u1ecbch m\u1ea1o hi\u1ec3m. \u1ede Phong Nha, hi\u1ec7n c\u00f3 nhi\u1ec1u ng\u01b0\u1eddi tham gia c\u00e1c tour th\u00e1m hi\u1ec3m hang \u0111\u1ed9ng m\u1ea1o hi\u1ec3m h\u01a1n b\u1ea5t c\u1ee9 n\u01a1i n\u00e0o kh\u00e1c tr\u00ean th\u1ebf gi\u1edbi.<\/span><\/em><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

\n\tB\u00e0i v\u00e0 \u1ea3nh: Ho\u00e0ng Ph\u00fac<\/strong><\/p>\n<\/div>\n

Chuy\u00ean m\u1ee5c<\/strong>: \u0110i\u1ec3m \u0111\u1ebfn Du l\u1ecbch<\/strong><\/a><\/p>\n

T\u1ed5ng h\u1ee3p<\/strong>: OTA Vi\u1ec7t Nam | Ngu\u1ed3n<\/strong>: TCDL -Trung t\u00e2m th\u00f4ng tin du l\u1ecbch<\/p>\n","protected":false},"excerpt":{"rendered":"

H\u01a1n 30 n\u0103m qua, b\u1eb1ng s\u1ef1 kh\u00e1m ph\u00e1, chinh ph\u1ee5c v\u1edbi ni\u1ec1m say m\u00ea \u0111\u1eb7c bi\u1ec7t d\u00e0nh cho hang \u0111\u1ed9ng, c\u00e1c chuy\u00ean gia thu\u1ed9c Hi\u1ec7p h\u1ed9i nghi\u00ean c\u1ee9u hang \u0111\u1ed9ng Ho\u00e0ng gia Anh (BCRA) do \u00f4ng Howard Limbert d\u1eabn \u0111\u1ea7u \u0111\u00e3 mang \u0111\u1ebfn cho Qu\u1ea3ng B\u00ecnh nhi\u1ec1u s\u1ea3n ph\u1ea9m du l\u1ecbch m\u1ea1o hi\u1ec3m \u0111\u1eb3ng c\u1ea5p […]<\/p>\n","protected":false},"author":1,"featured_media":423776,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_seopress_robots_primary_cat":"","_seopress_titles_title":"","_seopress_titles_desc":"","_seopress_robots_index":"","jnews-multi-image_gallery":[],"jnews_single_post":[],"jnews_primary_category":[],"footnotes":""},"categories":[83],"tags":[],"class_list":["post-423775","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-diem-den-du-lich"],"_links":{"self":[{"href":"https:\/\/otavietnam.com\/blog\/wp-json\/wp\/v2\/posts\/423775","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/otavietnam.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/otavietnam.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/otavietnam.com\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/otavietnam.com\/blog\/wp-json\/wp\/v2\/comments?post=423775"}],"version-history":[{"count":0,"href":"https:\/\/otavietnam.com\/blog\/wp-json\/wp\/v2\/posts\/423775\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/otavietnam.com\/blog\/wp-json\/wp\/v2\/media\/423776"}],"wp:attachment":[{"href":"https:\/\/otavietnam.com\/blog\/wp-json\/wp\/v2\/media?parent=423775"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/otavietnam.com\/blog\/wp-json\/wp\/v2\/categories?post=423775"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/otavietnam.com\/blog\/wp-json\/wp\/v2\/tags?post=423775"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}