Photo taken on Jan 28, 2015 shows artifacts discovered on the Nanhai (South China Sea) No 1 ship at the Marine Silk Road Museum in Yangjiang, south China's Guangdong Province. After seven years of excavation, more than 60,000 porcelain artifacts from the Song Dynasty (960-1279) have been discovered on the ship, which had lain undersea for more than 800 years and was put into protection in the Marine Silk Road Museum after its salvage in 2007. [Photo/Xinhua]