Photo taken on July 6, 2021 shows the Estuary Docks in Quanzhou, southeast China's Fujian Province. China's "Quanzhou: Emporium of the World in Song-Yuan China" was added to the UNESCO World Heritage List as a cultural site on Sunday, bringing the total number of the country's UNESCO World Heritage sites to 56. Quanzhou, a coastal city in China's Fujian Province, was a global maritime trade center back in the Song and Yuan dynasties. (Xinhua/Wei Peiquan)