Yaolin Wonderland is located in Tonglu County, Hangzhou City, Zhejiang Province, China. It is 80 kilometers away from Hangzhou City and 23 kilometers away from the county town. It is a typical representative of karst caves in the humid sub-tropical zone in the central coastal area of East China and a national scenic spot. Yaolin Wonderland, also known as Yaolin Cave, has a depth of 1 km and a total area of 28,000 square meters. It is the "Forty Best Tourism Resorts in China". In 2002, it joined the ranks of national AAAA scenic spots. It is known as "the crown of all caves in the whole country" because of its tortuous and unique cave landform and magnificent rocky landscape. The painter Ye Shaanyu praised it as "rare in China, rare in the world". It is well-known both at home and abroad for its magnificent landscape and beautiful ecological environment.