An underground river, also called hidden river, is an underground passage with characteristics of...

Swallet stream and underground river of Qijiehe RiverQijiehe River zigzags and extends towards no...

Qijiehe River runs to underground to form swallet stream from the end of Gouyaoyan Gorge. The riv...

Qijiehe River originates from Phoenix mountain in the southwest of Zhijin County with the full le...

Qijiehe River submerges into underground at the end of Dacaokou Gorge and forms Dacaokou undergro...

It develops on the river valley in the downstream of Qijiehe River and it is the underground rive...

Wormlike limestone contains spheroidite like worm, hence the name.The wormlike limestone in the g...

Karst breccia refers to the sedimentary rock formed under specific geological and hydrogeological...