Aerial photo taken on Jan. 3, 2022 shows staff working at the construction site of a grand bridge along the Hefei-Xinyi Railway in Hefei, east China's Anhui Province.Photo:Xinhua
Aerial photo taken on Jan. 3, 2022 shows staff working at the construction site of a grand bridge along the Hefei-Xinyi Railway in Hefei, east China's Anhui Province.Photo:Xinhua
Aerial photo taken on Jan. 3, 2022 shows staff working at the construction site of a grand bridge along the Hefei-Xinyi Railway in Hefei, east China's Anhui Province.Photo:Xinhua