The Canh Cao sinkhole is located in the "UNESCO Global Geopark of Cao Bang". This place remains relatively untouched and not yet widely exploited for tourism. Formed by the collapse of a large cave within the mountain, anyone who visits is sure to be awed by the majestic storms and...

Visiting Ốc cave, tourists not only admire the majestic beauty of nature but also have the opportunity to witness one of the unique fossilization processes of nature, discovering the mysteries hidden within the cave. Ốc cave is a unique cave located in the Lân Ty valley within the Hữu Liên...