Qu\u1ea3ng B\u00ecnh m\u1ea3nh \u0111\u1ea5t trong th\u1eddi kh\u00e1ng chi\u1ebfn v\u1edbi nh\u1eefng v\u1ebft t\u00edch m\u01b0a bom b\u00e3o \u0111\u1ea1n \u0111\u00e3 \u0111i qua. Qu\u1ea3ng B\u00ecnh n\u00f3i chung v\u00e0 th\u00e0nh ph\u1ed1 \u0110\u1ed3ng H\u1edbi tr\u1ebb \u0111ang v\u01b0\u01a1n m\u00ecnh tr\u1ed7i d\u1eady sau nh\u1eefng m\u1ea5t m\u00e1t \u0111au th\u01b0\u01a1ng \u0111\u00f3. \u0110\u01b0\u1ee3c m\u1ec7nh danh l\u00e0 v\u01b0\u01a1ng qu\u1ed1c hang \u0111\u1ed9ng \u2013 n\u01a1i \u0111ang \u1ea9n ch\u1ee9a nh\u1eefng gi\u00e1 tr\u1ecb, nh\u1eefng tuy\u1ec7t t\u00e1c c\u1ee7a v\u00f9ng n\u00fai \u0111\u00e1 v\u00f4i Phong Nha \u2013 K\u1ebb B\u00e0ng.<\/p>\n
\u0110\u1ed9ng Phong Nha<\/strong><\/p>\n Thu\u1ed9c v\u00f9ng n\u00fai \u0111\u00e1 v\u00f4i K\u1ebb B\u00e0ng, x\u00e3 S\u01a1n Tr\u1ea1ch, huy\u1ec7n B\u1ed1 Tr\u1ea1ch, t\u1ec9nh Qu\u1ea3ng B\u00ecnh, c\u00e1ch th\u00e0nh ph\u1ed1 \u0110\u1ed3ng H\u1edbi 50km v\u1ec1 ph\u00eda t\u00e2y b\u1eafc, \u0111\u1ed9ng Phong Nha \u0111\u01b0\u1ee3c coi l\u00e0 “Thi\u00ean Nam \u0111\u1ec7 nh\u1ea5t \u0111\u1ed9ng” c\u1ee7a Vi\u1ec7t Nam, \u0111\u01b0\u1ee3c che ch\u1edf b\u1edfi nh\u1eefng c\u00e1nh r\u1eebng nhi\u1ec7t \u0111\u1edbi.<\/p>\n T\u1eeb s\u00f4ng Son, du kh\u00e1ch \u0111i h\u01a1n 30 ph\u00fat \u0111\u1ec3 t\u1edbi \u0111\u1ed9ng Phong Nha. \u0110\u1ebfn tr\u01b0\u1edbc c\u1eeda \u0111\u1ed9ng, c\u1ea3nh n\u00fai non s\u00f4ng n\u01b0\u1edbc quy\u1ebfn r\u0169, thi\u00ean nhi\u00ean h\u00f9ng v\u0129 v\u1edbi v\u00f4 v\u00e0n h\u00ecnh \u1ea3nh k\u1ef3 th\u00fa hi\u1ec7n ra nh\u01b0 kh\u00eau g\u1ee3i tr\u00ed t\u01b0\u1edfng t\u01b0\u1ee3ng c\u1ee7a con ng\u01b0\u1eddi.<\/p>\n C\u1eeda \u0111\u1ed9ng h\u00ecnh thang, r\u1ed9ng kho\u1ea3ng 20 – 25m, cao 10m, c\u00f3 nh\u0169 \u0111\u00e1 l\u00f4 nh\u00f4. B\u01a1i thuy\u1ec1n qua c\u1eeda hang, c\u1ea3m gi\u00e1c oi n\u1ed3ng c\u1ee7a m\u00f9a h\u00e8 n\u01a1i mi\u1ec1n Trung gi\u00f3 L\u00e0o l\u1eadp t\u1ee9c bi\u1ebfn m\u1ea5t, c\u00e0ng v\u00e0o s\u00e2u \u00e1nh s\u00e1ng c\u00e0ng nh\u1ea1t d\u1ea7n r\u1ed3i m\u1ea5t h\u1eb3n,\u00a0m\u1ed9t th\u1ebf gi\u1edbi u linh, k\u1ef3 th\u00fa \u2026 hi\u1ec7n ra.<\/p>\n <\/a><\/p>\n Theo c\u00e1c nh\u00e0 khoa h\u1ecdc, qu\u00e1 tr\u00ecnh phong h\u00f3a t\u1ea1o th\u00e0nh hang \u0111\u1ed9ng \u1edf Phong Nha l\u00e0 qu\u00e1 tr\u00ecnh t\u1ef1 nhi\u00ean \u0111\u00e3 di\u1ec5n ra t\u1eeb c\u00e1ch \u0111\u00e2y 250 tri\u1ec7u n\u0103m. D\u1ea1ng \u0111\u1ecba h\u00ecnh ch\u00ednh c\u1ee7a Phong Nha-K\u1ebb B\u00e0ng l\u00e0 n\u00fai \u0111\u00e1 v\u00f4i v\u00e0 n\u00fai \u0111\u1ea5t, \u0111\u1ed9 cao trung b\u00ecnh 600 m\u00e9t, th\u00e0nh h\u1eb9p, v\u00e1ch \u0111\u1ee9ng. \u0110\u1ed9ng Phong Nha n\u1eb1m \u1edf ph\u1ea7n \u0111\u00f4ng nam kh\u1ed1i n\u00fai \u0111\u00e1 v\u00f4i K\u1ebb B\u00e0ng trong m\u1ed9t v\u00f9ng \u0111\u00e1 v\u00f4i b\u1ecb phong h\u00f3a m\u1ea1nh, di\u1ec7n t\u00edch kho\u1ea3ng 10.000 km2, k\u00e9o d\u00e0i 200 km tr\u00ean ph\u00eda b\u1eafc d\u00e3y Tr\u01b0\u1eddng S\u01a1n, th\u00f4ng c\u1ea3 sang L\u00e0o. \u1ede kh\u1ed1i n\u00fai \u0111\u00e1 v\u00f4i n\u00e0y c\u00f3 hi\u1ec7n t\u01b0\u1ee3ng n\u01b0\u1edbc ch\u1ea3y ng\u1ea7m. D\u00f2ng ch\u1ea3y tr\u00ean m\u1eb7t c\u00f3 th\u1ec3 nh\u00ecn th\u1ea5y l\u00e0 c\u00e1c con s\u00f4ng Son, Tro\u00f3c, Ch\u00e0y, R\u00e0o Th\u01b0\u01a1ng b\u1eaft ngu\u1ed3n t\u1eeb c\u00e1c con su\u1ed1i nh\u1ecf, \u0111\u1ebfn hang \u00c9n th\u00ec su\u1ed1i l\u1edbn ch\u1ea3y ng\u1ea7m v\u00e0o l\u00f2ng n\u00fai \u0111\u00e1 v\u00f4i \u0111\u1ec3 t\u1ea1o th\u00e0nh c\u00e1c hang \u0111\u1ed9ng.<\/p>\n V\u1edbi chi\u1ec1u d\u00e0i 7.729m, s\u00e2u 83m, cao 50m v\u1edbi r\u1ea5t nhi\u1ec1u nh\u00e1nh hang ph\u1ee5 l\u1edbn nh\u1ecf bao g\u1ed3m c\u1ea3 hang Bi K\u00ed, hang Ti\u00ean v\u00e0 hang Cung \u0110\u00ecnh. \u0110\u00e2y l\u00e0 lo\u1ea1i h\u00ecnh \u0111\u1ed9ng n\u01b0\u1edbc ch\u1ea3y ng\u1ea7m trong l\u00f2ng n\u00fai v\u1edbi nhi\u1ec1u th\u1ea1ch nh\u0169 \u0111\u1eb7c tr\u01b0ng. T\u01b0\u01a1ng truy\u1ec1n r\u1eb1ng, ch\u00ednh nh\u1eefng m\u0103ng \u0111\u00e1 r\u0169 xu\u1ed1ng \u1edf c\u1eeda hang \u0111\u00e3 g\u00f3p ph\u1ea7n t\u1ea1o n\u00ean c\u00e1i t\u00ean \u0111\u1ea7y thi v\u1ecb “Phong Nha”, t\u1ee9c l\u00e0 “Gi\u00f3 lu\u1ed3n qua k\u1ebd r\u0103ng”.<\/p>\n Phong Nha n\u1ed5i ti\u1ebfng v\u1edbi nh\u1eefng kh\u1ed1i \u0111\u00e1 \u0111\u1ed9c \u0111\u00e1o \u0111\u01b0\u1ee3c \u0111\u1eb7t t\u00ean theo c\u00e1c h\u00ecnh d\u1ea1ng t\u1ef1 nhi\u00ean nh\u01b0 “S\u01b0 t\u1eed”, “K\u1ef3 l\u00e2n”, “V\u00f4 ch\u1ea7u”, “Cung \u0111\u00ecnh” hay “T\u01b0\u1ee3ng Ph\u1eadt”. Sau kho\u1ea3ng 19km ch\u1ea3y ng\u1ea7m d\u01b0\u1edbi d\u00e3y Tr\u01b0\u1eddng S\u01a1n, d\u00f2ng s\u00f4ng hi\u1ec7n ra \u1edf c\u1eeda hang mang m\u1ed9t m\u00e0u n\u01b0\u1edbc xanh bi\u1ebfc v\u00e0o m\u00f9a kh\u00f4\u00a0 v\u00e0 s\u1eafc \u0111\u1ecf v\u00e0o m\u00f9a m\u01b0a. Du kh\u00e1ch c\u0169ng c\u00f3 th\u1ec3 kh\u00e1m ph\u00e1 s\u1ef1 ki\u1ebfn t\u1ea1o c\u00e1c m\u0103ng \u0111\u00e1, th\u1ea1ch nh\u0169 t\u1ea1i m\u1ed9t v\u00e0i trong s\u1ed1 14 ph\u00f2ng b\u00ean trong hang \u0111\u1ed9ng.\u00a0 B\u00ean trong kho\u1ea3ng 1km l\u00e0 hang Bi K\u00ed, m\u1ed9t nh\u00e1nh ph\u1ee5 n\u1eb1m s\u00e2u trong \u0111\u1ed9ng Phong Nha c\u00e1ch c\u1eeda \u0111\u1ed9ng kho\u1ea3ng 600m. Ng\u01b0\u1eddi ta tin r\u1eb1ng c\u00f3 m\u1ed9t kho\u1ea3ng th\u1eddi gian n\u00e0o \u0111\u00f3 t\u1eeb th\u1ebf k\u1ef7 IX \u0111\u1ebfn th\u1ebf k\u1ef7 XI, ng\u01b0\u1eddi Ch\u0103m \u0111\u00e3 ch\u1ecdn n\u01a1i \u0111\u00e2y l\u00e0m n\u01a1i th\u1eddi c\u00fang.<\/p>\n \u00a0\u00a0\u0110\u1ed9ng Thi\u00ean \u0110\u01b0\u1eddng<\/strong><\/p>\n \u0110\u01b0\u1ee3c m\u1ec7nh danh l\u00e0 ” ho\u00e0ng cung trong l\u00f2ng \u0111\u1ea5t” \u0110\u1ed9ng Thi\u00ean \u0110\u01b0\u1eddng l\u00e0 m\u1ed9t trong nh\u1eefng k\u1ef3 quan tr\u00e1ng l\u1ec7 v\u00e0 huy\u1ec1n \u1ea3o b\u1eadc nh\u1ea5t th\u1ebf gi\u1edbi . \u0110\u1ed9ng n\u1eb1m \u1ea9n m\u00ecnh s\u00e2u trong l\u00f2ng Di s\u1ea3n Thi\u00ean nhi\u00ean Th\u1ebf gi\u1edbi V\u01b0\u1eddn qu\u1ed1c gia Phong Nha K\u1ebb B\u00e0ng, thu\u1ed9c \u0111\u1ecba h\u00ecnh catt\u01a1 c\u1ed5, c\u00f3 ni\u00ean \u0111\u1ea1i h\u00ecnh th\u00e0nh c\u00e1ch ng\u00e0y nay kho\u1ea3ng 350 \u0111\u1ebfn 400 tri\u1ec7u n\u0103m. \u0110\u1ed9ng Thi\u00ean \u0110\u01b0\u1eddng n\u1eb1m \u1edf Km 16 c\u00e1ch r\u00eca Nh\u00e1nh T\u00e2y \u0111\u01b0\u1eddng H\u1ed3 Ch\u00ed Minh g\u1ea7n 4km thu\u1ed9c x\u00e3 S\u01a1n Tr\u1ea1ch, Huy\u1ec7n B\u1ed1 Tr\u1ea1ch, t\u1ec9nh Qu\u1ea3ng B\u00ecnh, c\u00e1ch trung t\u00e2m th\u00e0nh ph\u1ed1 \u0110\u1ed3ng H\u1edbi ch\u1eebng 70km v\u1ec1 h\u01b0\u1edbng T\u00e2y B\u1eafc c\u1ea1nh nh\u00e1nh T\u00e2y \u0111\u01b0\u1eddng H\u1ed3 Ch\u00ed Minh. C\u00e1ch \u0111\u1ed9ng Phong Nha ch\u1eebng 25km h\u00e0nh tr\u00ecnh nh\u00e1nh T\u00e2y \u0111\u01b0\u1eddng Tr\u01b0\u1eddng S\u01a1n theo h\u01b0\u1edbng B\u1eafc, \u0111\u01b0\u1eddng \u0111i r\u1ea5t thu\u1eadn ti\u1ec7n.<\/p>\n N\u0103m 2005, t\u1eeb th\u00f4ng tin c\u1ee7a m\u1ed9t ng\u01b0\u1eddi d\u00e2n \u0111\u1ecba ph\u01b0\u01a1ng \u0111\u00e3 t\u00ecnh c\u1edd ph\u00e1t hi\u1ec7n m\u1ed9t hang \u0111\u1ed9ng c\u00f3 gi\u00e1 tr\u1ecb n\u1eb1m ngay trong l\u00f2ng Di s\u1ea3n Thi\u00ean nhi\u00ean Th\u1ebf gi\u1edbi \u2013 V\u01b0\u1eddn qu\u1ed1c gia Phong Nha \u2013 K\u1ebb B\u00e0ng, l\u1eadp t\u1ee9c thu h\u00fat s\u1ef1 ch\u00fa \u00fd c\u1ee7a c\u00e1c nh\u00e0 khoa h\u1ecdc, c\u00e1c nh\u00e0 th\u00e1m hi\u1ec3m v\u00e0 c\u1ed9ng \u0111\u1ed3ng trong n\u01b0\u1edbc v\u00e0 qu\u1ed1c t\u1ebf. Ch\u1ec9 \u00edt l\u00e2u sau \u0111\u00f3, Hi\u1ec7p h\u1ed9i nghi\u00ean c\u1ee9u hang \u0111\u1ed9ng Ho\u00e0ng gia Anh qu\u1ed1c, d\u01b0\u1edbi s\u1ef1 ch\u1ee7 tr\u00ec c\u1ee7a Ti\u1ebfn s\u1ef9 Howawd Limbert \u0111\u00e3 l\u1eadp t\u1ee9c t\u1ed5 ch\u1ee9c \u0110o\u00e0n kh\u00e1m ph\u00e1 hang \u0111\u1ed9ng v\u00e0 c\u00f4ng b\u1ed1 nh\u1eefng k\u1ebft qu\u1ea3 h\u1ebft s\u1ee9c b\u1ea5t ng\u1edd. Theo nh\u1eadn \u0111\u1ecbnh c\u1ee7a \u0111o\u00e0n th\u00e1m s\u00e1t th\u00ec \u0111\u00e2y l\u00e0 hang \u0111\u1ed9ng kh\u00f4 d\u00e0i nh\u1ea5t Ch\u00e2u \u00c1, \u0111\u1eb7c bi\u1ec7t l\u00e0 h\u1ec7 th\u1ed1ng m\u0103ng \u0111\u00e1, nh\u0169 \u0111\u00e1 \u1edf \u0111\u00e2y c\u00f3 v\u1ebb \u0111\u1eb9p lung linh, huy\u1ec1n \u1ea3o, ngo\u00e0i s\u1ee9c t\u01b0\u1edfng t\u01b0\u1ee3ng c\u1ee7a con ng\u01b0\u1eddi\u2026<\/p>\n