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: Xinhua)
Aerial photo taken on July 25, 2022 shows workers at a beam fabrication yard in Yichun, 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: Xinhua)
Aerial photo taken on July 25, 2022 shows 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: Xinhua)
Workers operate at a beam fabrication yard in Yichun, northeast China's Heilongjiang Province, on July 25, 2022. Crossing permafrost regions, the Harbin-Yichun high-speed railway will total approximately 300 kilometers, connecting the cities of Harbin, Suihua, and Yichun.(Photo: Xinhua)