The northern mountainous province of Cao Bang has made significant efforts to preserve the heritage values of its Non nuoc Cao Bang UNESCO Global Geopark, aiming to foster sustainable tourism development.

The Ban Gioc Waterfall festival opened in Trung Khanh district in the northern mountainous province of Cao Bang on October 5-6.

The First Ban Gioc Waterfall Festival and Then singing and Tinh (musical instrument) performance kicked off in Trung Khanh district, the northern border province of Cao Bang, on October 7.