Tour Guiyang Tianhe Tanshu "Tianhe Tan of Karst Cave Water Tunnel" Tianhe Tan of Karst Cave Water Tunnel Water Tunnel, Baizhang Underwater River cruise boat tour, stalagmite stalactite stalactites, change boats like to visit Jiudaowan. After the Milky Way Palace, we can see the drought cave. Everyone on the Naihe Bridge is still alive. The slippery rope connects the two hills and slips across the Guanshan Mountains. Xiaoqiao Waterwheel Ethnic Village, Miao embroidery and weaving women praise. Xingluo Cascade hangs water curtain and Wolong Calcified Beach in Taoyuan. `