又是一年冬去春来,一年一次的人类最大规模的周期性人口大迁徙—中国春运圆满落下帷幕。40天时间,2.21亿旅客通过铁路完成了东西南北的大流动,铁路通过互联网和电话发售火车票5085.3万张,这些都给今年春运组织、管理和保障提出了巨大挑战。 It is also a year of winter and spring, once a year, the largest cyclical human population migration - China Spring Festival come to a close. In 40 days, 221 million passengers completed large-scale east-south and north-east flows via railways, and railway lines issued 50.853 million train tickets through the Internet and telephone. All this posed a tremendous challenge to the organization, management and guarantee of the Spring Festival this year.