Introduction to Tianhu: The Tianhu at the foot of Mahu Mountain has a vast water area, with a water surface area as large as three West Lakes. It is vast and dense, and the water quality is pure and sweet. It is like a blue skirt, surrounding Mahu Mountain. Extraordinarily beautiful. The lake is home to swans, geese, mandarin ducks, cormorants and other rare birds. It is a natural wildlife reserve.