Photo taken on May 12, 2020 shows pieces of porcelain products found on the wreckage of Nanhai No. 1 in Yangjiang, south China's Guangdong Province. The excavation of the Nanhai No. 1, a shipwreck dating back to the Song Dynasty (960 A.D.-1279 A.D.), was listed by China in its top 10 archaeological discoveries for 2019. More than 180,000 relics including porcelain products, gold, silver, copper and iron relics and coins have been found from this ancient merchant ship. (Xinhua/Deng Hua)
