Aerial photo taken on May 6, 2019 shows the scenery of city walls and moat in Pingyao, north China's Shanxi Province. Pingyao, a UNESCO World Cultural Heritage site in north China's Shanxi Province, is famous for its well-preserved ancient architecture including the city walls. [Photo by Zhan Yan/Xinhua]
In this aerial photo taken on May 7, 2019, tourists visit a gate tower in Pingyao, north China's Shanxi Province. Pingyao, a UNESCO World Cultural Heritage site in north China's Shanxi Province, is famous for its well-preserved ancient architecture including the city walls. [Photo by Zhan Yan/Xinhua]
Aerial photo taken on May 6, 2019 shows the scenery of Pingyao, north China's Shanxi Province. Pingyao, a UNESCO World Cultural Heritage site in north China's Shanxi Province, is famous for its well-preserved ancient architecture including the city walls. [Photo by Zhan Yan/Xinhua]