Thac Ba Lake - National historical relic

Coming to Yen Bai, the first place that visitors cannot miss is Thac Ba Lake - a national historical relic. It is more than 80km long, with more than 1,300 large and small islands including many caves and beautiful landscapes. The unique feature of Thac Ba Lake is the calm, peaceful lake surface interspersed with thousands of large and small hills, limestone mountains floating on the water waves creating a perfect ink painting...