Photo taken on March 31, 2019 shows a courtyard at Shangjiushan Village in Shiqiang Township of Zoucheng City, east China's Shandong Province. Shangjiushan Village, which can be traced back to Song Dynasty (960-1279), is a village built with stones lying against hills. It was listed as one of China's historic and cultural villages in January of 2019. (Xinhua/Wang Kai)