A staff member of China (Hainan) Museum of the South China Sea takes photos of cultural relics in Qionghai City, south China's Hainan Province, Aug. 27, 2024. At China (Hainan) Museum of the South China Sea, there is a cultural relic restoration team conducting the protection work of cultural relics retrieved from two ancient shipwrecks in the South China Sea. (Photo: Xinhua)

A staff member of China (Hainan) Museum of the South China Sea restores cultural relics in Qionghai City, south China's Hainan Province, Aug. 27, 2024. At China (Hainan) Museum of the South China Sea, there is a cultural relic restoration team conducting the protection work of cultural relics retrieved from two ancient shipwrecks in the South China Sea. (Photo: Xinhua)

This photo taken on Aug. 27, 2024 shows cultural relics during desalination process in Qionghai City, south China's Hainan Province. At China (Hainan) Museum of the South China Sea, there is a cultural relic restoration team conducting the protection work of cultural relics retrieved from two ancient shipwrecks in the South China Sea. (Photo: Xinhua)

A staff member of the archaeological center of the National Cultural Heritage Administration conducts desalination process of cultural relics in Qionghai City, south China's Hainan Province, Aug. 27, 2024. At China (Hainan) Museum of the South China Sea, there is a cultural relic restoration team conducting the protection work of cultural relics retrieved from two ancient shipwrecks in the South China Sea. (Photo: Xinhua)