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所屬欄目：地理中國
所屬頻道：CCTV-10科教
年份：2015
展開全部
簡介：天坑是指具有巨大的容積，陡峭而圈閉的岩壁，深陷的井狀或者桶狀輪廓等非凡的空間與形態特質，發育在厚度特別巨大、地下水位特別深的可溶性岩層中，從地下通往地面，平均寬度與深度均大於100米，底部與地下河相連接的一種特大型喀斯特負地形。收起
《地理中國》 “天眼”奧秘·吞天陷阱（下）20150509
《地理中國》 “天眼”奧秘·吞天陷阱（上）20150508
《地理中國》 20150507 “天眼”奧秘·深谷迷窟（下）
《地理中國》 20150506 “天眼”奧秘·深谷迷窟（上）
《地理中國》 20150505 “天眼”奧秘·山中奇景
《地理中國》 20150504 “天眼”奧秘·怪圈謎案
《地理中國》 20150503 “天眼”奧秘·深谷尋奇
《地理中國》 20150502 “天眼”奧秘·勇探“野人井”（下...
《地理中國》 20150501 “天眼”奧秘·勇探“野人井”（上...
《地理中國》 20150430 “天眼”奧秘·雨林仙草
《地理中國》 “天眼”奧秘·瓊島谷地 20150429
《地理中國》 20150428 “天眼”奧秘·桂北奇坑
《地理中國》 20150427 “天眼”奧秘·探秘雨補魯
《地理中國》 20150426 “天眼”奧秘·秘境大石圍
《地理中國》 20150425 “天眼”奧秘·石盆村探秘（下）
《地理中國》 20150424 “天眼”奧秘·石盆村探秘（上）
《地理中國》 20150423 “天眼”奧秘·坑谷探尋
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