Zhou Jun (2nd L), a student from the University of Electronic Science and Technology of China, helps unearthed cultural relics at Pengshan District in Meishan City, March 17, 2017. More than 10,000 gold and silver items that sank to the bottom of a river in Sichuan Province over 300 years ago have been recovered, archeologists said Monday. The items included a large amount of gold, silver and bronze coins and jewelry as well as iron weapons such as swords, knifes and spears. (Xinhua/Chen Xie)