
Three Tunnels Lake –Ha Long Bay is a round lake which is surrounded by mountains with the distance about 25 km far from Bai Chay wharf in the Southeast. This lake is belonging to Goat Head Mountain, and famous for fantastic sceneries. Through three submerged caves under mountain with magic stalactites in low hang down to the surface. This lake is located completely inside under mountain if tourists want to discover this place, tourists have to take...