Vessels pass through the five-tier ship lock at the Three Gorges Dam on the Yangtze River, on Jan 10. According to the local navigation authority, the Three Gorges Dam has been operating smoothly, with the ship lock throughput in 2020 reaching 137 million tons. No fatal shipwrecks or pollution-related accidents have occurred at the dam for nine years. [Photo/Xinhua]
Vessels pass through the five-tier ship lock of the Three Gorges Dam on the Yangtze River, on Jan 10. [Photo/Xinhua]
Vessels sail smoothly in the upper channel of the five-tier ship lock of the Three Gorges Dam on the Yangtze River, on Jan 10. [Photo/Xinhua]
Vessels pass through the five-tier ship lock of the Three Gorges Dam on the Yangtze River, on Jan 10. [Photo/Xinhua]
Vessels pass through the five-tier ship lock of the Three Gorges Dam on the Yangtze River, on Jan 10. [Photo/Xinhua]