Ban Gioc Fall is situated in Trung Khanh district in Cao Bang province nears the Sino-Vietnamese border. The echo of the falls can be heard kilometers away from Trung Khanh. - 於4shared.com下載。 Ban Gioc Fall is situated in Trung Khanh district in Cao Bang province nears the Sino-Vietnamese border. The echo of the falls can be heard kilometers away from Trung Khanh. 提供免費檔案分享的4shared網站儲存資料。