Aerial photo taken on Jan. 8, 2021 shows the construction site of girders erection for the Meizhou Bay cross-sea bridge of the Fuzhou-Xiamen high-speed railway in southeast China's Fujian Province. The girders erection work here continues amid low temperature and icy wind brought by a cold wave. (Xinhua/Song Weiwei)

Aerial photo taken on Jan. 8, 2021 shows the construction site of girders erection for the Meizhou Bay cross-sea bridge of the Fuzhou-Xiamen high-speed railway in southeast China's Fujian Province. The girders erection work here continues amid low temperature and icy wind brought by a cold wave. (Xinhua/Song Weiwei)

Aerial photo taken on Jan. 8, 2021 shows the construction site of girders erection for the Meizhou Bay cross-sea bridge of the Fuzhou-Xiamen high-speed railway in southeast China's Fujian Province. The girders erection work here continues amid low temperature and icy wind brought by a cold wave. (Xinhua/Song Weiwei)

Aerial photo taken on Jan. 8, 2021 shows the construction site of girders erection for the Meizhou Bay cross-sea bridge of the Fuzhou-Xiamen high-speed railway in southeast China's Fujian Province. The girders erection work here continues amid low temperature and icy wind brought by a cold wave. (Xinhua/Song Weiwei)