Zhenhuai Building, also known as Drum Tower. It is originally called the tower, which means the watch building on the city gate. Zhenhuai Building is located in the center of Huai'an District, sitting north and south, with a base of bricks, 28 meters long, 14 meters wide, 8 meters high, slightly trapezoidal, solid and stable. The base stage is a two-story brick and wooden structure of high-rise buildings, three broad, the height of the building is 18.5 meters, the roof is heavy-lifted nine-ridge, four corners of the faucet, it seems to have a take off. Tickets for the building are 8 yuan. Standing in the north of Zhenhuai Building, it is the site of the Grand Canal World Heritage Site - Governor's Office of the Government Office of the Governor's Office, which is the building complex of the Governor's Office which governs the national transportation affairs in the Ming and Qing dynasties.