Aerial photo taken on July 25, 2022 shows workers at the construction site of a super major bridge along the Harbin-Yichun high-speed railway, northeast China's Heilongjiang Province. Crossing permafrost regions, the Harbin-Yichun high-speed railway will total approximately 300 kilometers, connecting the cities of Harbin, Suihua, and Yichun. [Photo by Zhang Tao/Xinhua]
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