One more unique aspect of H? Long Bay is the abundance of lakes inside the limestone islands. One example is, Dau Be island has 6 enclosed lakes. All of these island lakes occupy drowned dolines in fengcong karst. Locale[edit]Nh?ng m?m ?á k? thú bao quanh nh?ng con thuy?n du l?ch m?ng m?nh t?o nên b?c tranh phong c?nh ??p thi v?.T?i M??ng Thanh