(20 13? Tongcheng) In recent years, the number of tourists from Hefei to Tongcheng has increased rapidly. Tongcheng is located in () ① Asia.

Tongcheng is close to the Huaihe River, and the river port and land post station have been busy since ancient times, which is known as the thoroughfare of seven provinces. It has a long history, rich humanities, beautiful scenery and rich cultural and natural tourism resources, attracting many tourists. According to census statistics, there are 86 tourist resources in Tongcheng, which are characterized by large total resources, complete types, rich cultural connotations and relatively concentrated distribution.

So choose: C.