Staff workers clear the surface of Xiangjiang River in Wangcheng section in Changsha, central China's Hunan Province, Aug. 1, 2020. In recent days, water flow in Changsha section of Xiangjiang River has gradually leveled off, with branches and other garbage flowing down the river from the upper reaches and piling up on both sides of the river bank. At present, the cleaning team of the Changsha section of Xiangjiang River has more than 90 members who are responsible for clearing the 78.5-kilometer-long waterway, and are able to collect about 50 tons of floating garbage on the water surface every day. (Xinhua/Chen Zhenhai)

A staff worker clears the surface of Xiangjiang River in Wangcheng section in Changsha, central China's Hunan Province, Aug. 1, 2020. In recent days, water flow in Changsha section of Xiangjiang River has gradually leveled off, with branches and other garbage flowing down the river from the upper reaches and piling up on both sides of the river bank. At present, the cleaning team of the Changsha section of Xiangjiang River has more than 90 members who are responsible for clearing the 78.5-kilometer-long waterway, and are able to collect about 50 tons of floating garbage on the water surface every day. (Xinhua/Chen Zhenhai)

Team leader Gao Jianguo (front) assigns tasks to staff workers before starting work in Changsha, central China's Hunan Province, Aug. 1, 2020. In recent days, water flow in Changsha section of Xiangjiang River has gradually leveled off, with branches and other garbage flowing down the river from the upper reaches and piling up on both sides of the river bank. At present, the cleaning team of the Changsha section of Xiangjiang River has more than 90 members who are responsible for clearing the 78.5-kilometer-long waterway, and are able to collect about 50 tons of floating garbage on the water surface every day. (Xinhua/Chen Zhenhai)

Staff workers clear the surface of Xiangjiang River in Wangcheng section in Changsha, central China's Hunan Province, Aug. 1, 2020. In recent days, water flow in Changsha section of Xiangjiang River has gradually leveled off, with branches and other garbage flowing down the river from the upper reaches and piling up on both sides of the river bank. At present, the cleaning team of the Changsha section of Xiangjiang River has more than 90 members who are responsible for clearing the 78.5-kilometer-long waterway, and are able to collect about 50 tons of floating garbage on the water surface every day. (Xinhua/Chen Zhenhai)

Staff workers transfer garbage collected from the surface of Xiangjiang River to a truck in Changsha, central China's Hunan Province, Aug. 1, 2020. In recent days, water flow in Changsha section of Xiangjiang River has gradually leveled off, with branches and other garbage flowing down the river from the upper reaches and piling up on both sides of the river bank. At present, the cleaning team of the Changsha section of Xiangjiang River has more than 90 members who are responsible for clearing the 78.5-kilometer-long waterway, and are able to collect about 50 tons of floating garbage on the water surface every day. (Xinhua/Chen Zhenhai)

Aerial photo shows staff workers clearing the surface of Xiangjiang River in Wangcheng section in Changsha, central China's Hunan Province, Aug. 1, 2020. In recent days, water flow in Changsha section of Xiangjiang River has gradually leveled off, with branches and other garbage flowing down the river from the upper reaches and piling up on both sides of the river bank. At present, the cleaning team of the Changsha section of Xiangjiang River has more than 90 members who are responsible for clearing the 78.5-kilometer-long waterway, and are able to collect about 50 tons of floating garbage on the water surface every day. (Xinhua/Chen Zhenhai)

Aerial photo shows staff workers clearing the surface of Xiangjiang River in Wangcheng section in Changsha, central China's Hunan Province, Aug. 1, 2020. In recent days, water flow in Changsha section of Xiangjiang River has gradually leveled off, with branches and other garbage flowing down the river from the upper reaches and piling up on both sides of the river bank. At present, the cleaning team of the Changsha section of Xiangjiang River has more than 90 members who are responsible for clearing the 78.5-kilometer-long waterway, and are able to collect about 50 tons of floating garbage on the water surface every day. (Xinhua/Chen Zhenhai)

Aerial photo shows staff workers clearing the surface of Xiangjiang River in Wangcheng section in Changsha, central China's Hunan Province, Aug. 1, 2020. In recent days, water flow in Changsha section of Xiangjiang River has gradually leveled off, with branches and other garbage flowing down the river from the upper reaches and piling up on both sides of the river bank. At present, the cleaning team of the Changsha section of Xiangjiang River has more than 90 members who are responsible for clearing the 78.5-kilometer-long waterway, and are able to collect about 50 tons of floating garbage on the water surface every day. (Xinhua/Chen Zhenhai)

Staff workers clear the surface of Xiangjiang River in Wangcheng section in Changsha, central China's Hunan Province, Aug. 1, 2020. In recent days, water flow in Changsha section of Xiangjiang River has gradually leveled off, with branches and other garbage flowing down the river from the upper reaches and piling up on both sides of the river bank. At present, the cleaning team of the Changsha section of Xiangjiang River has more than 90 members who are responsible for clearing the 78.5-kilometer-long waterway, and are able to collect about 50 tons of floating garbage on the water surface every day. (Xinhua/Chen Zhenhai)

A staff worker clears the surface of Xiangjiang River in Wangcheng section in Changsha, central China's Hunan Province, Aug. 1, 2020. In recent days, water flow in Changsha section of Xiangjiang River has gradually leveled off, with branches and other garbage flowing down the river from the upper reaches and piling up on both sides of the river bank. At present, the cleaning team of the Changsha section of Xiangjiang River has more than 90 members who are responsible for clearing the 78.5-kilometer-long waterway, and are able to collect about 50 tons of floating garbage on the water surface every day. (Xinhua/Chen Zhenhai)

Staff workers responsible for clearing the surface of Xiangjiang River have lunch at dormitory in Wangcheng District in Changsha, central China's Hunan Province, Aug. 1, 2020. In recent days, water flow in Changsha section of Xiangjiang River has gradually leveled off, with branches and other garbage flowing down the river from the upper reaches and piling up on both sides of the river bank. At present, the cleaning team of the Changsha section of Xiangjiang River has more than 90 members who are responsible for clearing the 78.5-kilometer-long waterway, and are able to collect about 50 tons of floating garbage on the water surface every day. (Xinhua/Chen Zhenhai)

The cleaning team sail on Xiangjiang River in Changsha, central China's Hunan Province, Aug. 1, 2020. In recent days, water flow in Changsha section of Xiangjiang River has gradually leveled off, with branches and other garbage flowing down the river from the upper reaches and piling up on both sides of the river bank. At present, the cleaning team of the Changsha section of Xiangjiang River has more than 90 members who are responsible for clearing the 78.5-kilometer-long waterway, and are able to collect about 50 tons of floating garbage on the water surface every day. (Xinhua/Chen Zhenhai)

A staff worker clears the surface of Xiangjiang River in Wangcheng section in Changsha, central China's Hunan Province, Aug. 1, 2020. In recent days, water flow in Changsha section of Xiangjiang River has gradually leveled off, with branches and other garbage flowing down the river from the upper reaches and piling up on both sides of the river bank. At present, the cleaning team of the Changsha section of Xiangjiang River has more than 90 members who are responsible for clearing the 78.5-kilometer-long waterway, and are able to collect about 50 tons of floating garbage on the water surface every day. (Xinhua/Chen Zhenhai)

Aerial photo shows staff workers clearing the surface of Xiangjiang River in Wangcheng section in Changsha, central China's Hunan Province, Aug. 1, 2020. In recent days, water flow in Changsha section of Xiangjiang River has gradually leveled off, with branches and other garbage flowing down the river from the upper reaches and piling up on both sides of the river bank. At present, the cleaning team of the Changsha section of Xiangjiang River has more than 90 members who are responsible for clearing the 78.5-kilometer-long waterway, and are able to collect about 50 tons of floating garbage on the water surface every day. (Xinhua/Chen Zhenhai)

Staff workers clear the surface of Xiangjiang River in Wangcheng section in Changsha, central China's Hunan Province, Aug. 1, 2020. In recent days, water flow in Changsha section of Xiangjiang River has gradually leveled off, with branches and other garbage flowing down the river from the upper reaches and piling up on both sides of the river bank. At present, the cleaning team of the Changsha section of Xiangjiang River has more than 90 members who are responsible for clearing the 78.5-kilometer-long waterway, and are able to collect about 50 tons of floating garbage on the water surface every day. (Xinhua/Chen Zhenhai)