Qiandao Lake is located in Chun’an County, Hangzhou, Zhejiang Province. The lake covers an area of 573 square kilometers and contains 1,078 islands, hence the name “Thousand Island Lake.” The underwater ruins here date back 600 years to the Ming Dynasty. They feature typical local architectural styles and are relatively well preserved. Exquisite carvings can be seen on lintels, beams, and columns, and the overall house structures remain clearly visible. Diving at the Ming Dynasty ruins of Qiandao Lake is open year-round, with the best season from November to June. Ancestral Hall Highlights: Wood carvings inside and outside the house, and stone carvings on the door plaques. House of Xin Highlights: Stone carvings at the entrance and wood carvings on the indoor roof. Jiexiao  Archway Highlights: A chastity archway from the Ming Dynasty. Wanrong Bridge Highlights: An arched stone bridge originally built in the early Ming Dynasty and rebuilt in the Republic of China.