Second floor.
According to the official website of the China Grand Canal Museum in Yangzhou, we learned that the grain cellar of the China Grand Canal Museum contains the warehouse on the second floor.
The China Grand Canal Museum is located on Kafa East Road, Guangling District, Yangzhou City, Jiangsu Province, covering an area of ??200 acres and a total construction area of ??80,000 square meters.
It is a local modern comprehensive museum that integrates cultural relic protection, scientific research and exhibition, and leisure experience. It is a landmark project in the construction of the Grand Canal National Cultural Park.
What are the other cities?
That place is fine!