An archeologist cleans up the porcelain artifacts salvaged from the sunken ancient ship Nan'ao No 1 in Shantou, a coastal city in South China's Guangdong province, May 17, 2010. Salvage of relics from Nan'ao No 1 went on well off the Shantou coast, with more and more antiques retrieved from the sunken merchant ship. [Photo/Xinhua]