What is the world's largest human migration?
Updated 15:10, 20-Jan-2020

Spring Festival is China's most important holiday every year. With a population over 1.4 billion people, the country embraces the world's largest human migration, also known as "Chunyun" in Chinese, as people set off for family reunions or vacations during the holiday.

CGTN has some of the things you may want to know about the 40-day rush!