At Harbin railway station in northeast China, indoor ticket booths have been put to use so buyers don't have to wait in the freezing weather. Station officials have also prepared first aid kits to help passengers in need.

Guangzhou railway station in south China handled 220 thousand trips on Sunday. Express entrances have been opened for women, children and sick people. Security has also been upgraded to crackdown on crimes such as theft and robbery.

The National Meteorological Center says another cold front is expected to affect most of central and eastern China from Monday, causing massive precipitation and a dramatic temperature drop. The sharpest fall could be 10 degrees Celsius.