Aerial view of Changzhou Water Conservancy Project in Guangxi(1/5)

Aerial view shows cargo vessels passing through ship locks at the Changzhou reservoir, a water conservancy project on the Xijiang River, south China's Guangxi Zhuang Autonomous Region, April 2, 2023. (Photo: China News Service/He Huawen)

Xijiang River is an important trade route in southwest China.

Aerial view shows cargo vessels passing through ship locks at the Changzhou reservoir, a water conservancy project on the Xijiang River, south China's Guangxi Zhuang Autonomous Region, April 2, 2023. (Photo: China News Service/He Huawen)

Aerial view shows cargo vessels passing through ship locks at the Changzhou reservoir, a water conservancy project on the Xijiang River, south China's Guangxi Zhuang Autonomous Region, April 2, 2023. (Photo: China News Service/He Huawen)

Aerial view shows cargo vessels passing through ship locks at the Changzhou reservoir, a water conservancy project on the Xijiang River, south China's Guangxi Zhuang Autonomous Region, April 2, 2023. (Photo: China News Service/He Huawen)

Aerial view shows cargo vessels passing through ship locks at the Changzhou reservoir, a water conservancy project on the Xijiang River, south China's Guangxi Zhuang Autonomous Region, April 2, 2023. (Photo: China News Service/He Huawen)