Ya 'an has the largest distribution of wild giant pandas, which line has the largest number?

Pingwu county. Pingwu County is located in the north of Mianyang City, Sichuan Province, northwest of Sichuan Basin, upstream of Fujiang River, bordering Qingchuan County in the east, Beichuan County in the south, Songpan County in the west, Gansu Province in the north, jiangyou city in the southeast and Jiuzhaigou County in the northwest. This is the gateway to the famous scenic spots Jiuzhai and Huanglong, so the wild giant pandas are the most widely distributed, and it is known as "the first county of giant pandas in the world".