Aerial photo taken on Dec. 29, 2020 shows the scenery of a bridge floating on the Yellow River after snowfall in Binzhou, east China's Shandong Province. China's meteorological authority on Tuesday renewed an orange alert, the second highest in a four-tier warning system, for a cold wave as a strong cold front has been sweeping across most parts of central and east China from Monday. (Photo by Chu Baorui/Xinhua)
