Large-scale construction ships（including silt curtains) dredged the river bottom sand and gravel in the waters of the Xiling Gorge of the Yangtze River in the Lantuo section of Letianxi Town, Yiling District, Yichang City, Hubei Province, and the river dredging project was stepped up. Workers operated large construction ships to remove sand and gravel from the river bottom to ensure safe and smooth of shipping.
