ZHENGZHOU, April 3, 2025 An aerial drone photo taken on March 25, 2025 shows a view of the main canal of the Hongqi Canal in Linzhou City, central China's Henan Province. The Hongqi Canal, an irrigation project built on the steep Taihang Mountains, is dubbed the ''man-made river in the sky.'' This year marks the 60th anniversary of the completion of its main canal. (Credit Image: å© Hao Yuan/Xinhua via ZUMA Press)