Ships pass through the lock of the Three Gorges Dam in Yichang, Central China's Hubei province on Sunday. According to the Ministry of Transport, the Three Gorges hub achieved stable operation, with a total shipment volume of 138 million tons in 2020. From June 2003 to December 2020, a total of 905,100 ships, 1.542 billion tons of cargo and 1.609 million passengers have safely passed through the Three Gorges Dam. Photo: VCG