Anhui is a province of the People's Republic of China. Located in eastern China across the basins of the Yangtze River and the Huaihe River, it borders Jiangsu to the east, Zhejiang to the southeast, Jiangxi to the south, Hubei to the southwest, Henan to the northwest, and Shandong for a tiny section in the north. The capital of the province is Hefei. The name "Anhui" derives from the names of two cities in south Anhui, Anqing and Huizhou (now Huangshan City). The abbreviation for Anhui is "Wǎn", because there were historically a State of Wan, a Mount Wan, and a Wan river in the province. To be one of the cradle of Chinese civilization, rich and colorful culture and key point of interests could be found here. In a short trip in Anhui, we will combine the Mount, the lake, the World Culture Heritage villages, and the special learning of the famous Four Treasure of the Study all in the tour. Qiandao Lake (Chinese: 千島湖, the lake of thousand islands) is a man-made lake located in Chun'an County, Zhejiang, China, formed since the completion of the Xinanjiang hydroelectric station. There are 1,078 large islands in the lake and a few thousand smaller ones. It covers an area of 573 km², it has a storage capacity of 17.8 km3. The total area of the islands in the lake is about 86km². Qiandao Lake is known for its clear, and sometimes, drinkable water, such as that used to produce the renowned Nongfu Spring brand of mineral water. It is also home to lush forestation (over 90%), and exotic islands, its more popular attractions include the Bird Island, the Snake Island, the Lock Island (featuring supposedly the world's biggest lock), the Island to Remind You of Your Childhood.