(250816) -- BEIJING, Aug. 16, 2025 (Xinhua) -- People read books at Beijing Library in Tongzhou District of Beijing, capital of China, Aug. 15, 2025. Connecting Beijing and Hangzhou in east China's Zhejiang Province, the Grand Canal is the world's longest artificial waterway.
In recent years, Beijing has implemented an array of measures in the protection of the environment in and along the Grand Canal, which has lead to improved water quality, restored biodiversity as well as enhanced vegetation coverage. (Xinhua/Li Xin)
