An aerial view shows a ring-shaped formation at a site used for sacrifice and worship in ancient times, situated at Daqingshan Mountain in Wuchuan county, Hohhot, in Inner Mongolia autonomous region. The site, photographed on July 8, is now covered by green vegetation in the run-up to summer. [Photo by Li Lifeng/Xinhua]

The ring-shaped site and winding roads in the area create a picturesque scene for visitors. The site was a place for locals to make sacrifices to the gods during the Northern Wei Dynasty (386-534), according to Commentary on the Waterways Classic, a work on the ancient geography of China. [Photo by Li Lifeng/Xinhua]

An astonishing view of a historic site, used in ancient times for worship, in Hohhot, Inner Mongolia autonomous region [Photo by Li Lifeng/Xinhua]