Introduction to the Sunset Ancient Road: The Sunset Shangchuan Ancient Road is the only way to do business in and out of Sichuan. The merchants passing by here must be the sunset. They will stay at Tianxin Temple to continue their journey in the morning, so Tianxin Ancient Temple Also known as the ancient inn, it has prospered in the past and will surely achieve greater glory again. In front of the mountain gate of Tianxin Temple, there used to be an east-west stone avenue, winding along the stream below the temple and hovering over the mountains on the east and west sides of the temple. It connects Nanchuan to Yunnan and Guizhou in the east, and connects to the "Huangjue Ancient Road" into Chongqing in the northwest. This is the famous Sunset Ancient Road, also known as the Chongqing-Guizhou Ancient Road.