This picture taken on February 4 2015 shows passengers checking in at the service counters in Beijing Capital International Airport on the first day...
{"Image ImageDescription": "This picture taken on February 4, 2015 shows passengers checking in at the service counters in Beijing Capital International Airport on the first day of China's spring festival travel rush in Beijing. The travel period known as 'chunyun' is the world's largest annual migration with tens of millions across China boarding trains to journey home for Lunar New Year celebrations.  CHINA OUT     AFP PHOTO        (Photo credit should read STR/AFP via Getty Images)"}