No, no one threw their garbage into the Yangtze River. What archaeologists pulled out of the mud near Shanghai is part of a gigantic wooden shipwreck dating back to the 19th century. Experts believe the ship was in use between 1862 and 1875 under Emperor Tongzhi of the Qing Dynasty. They hope to gain insight into the Chinese shipbuilding technology of the time, which was considered to be among the most advanced – before steamboat technology also made its way into the Far East.