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Domestic worker Chen Guolan says goodbye as she prepares to leave the... News Photo 160419937Apartment,Arts Culture and Entertainment,Beijing,Business,Business Person,Catch,Chinese,Chongqing,City,Domestic,Holiday,Home,Horizontal,Journey,Leaving,Live,Manager,Occupation,Preparation,Province,Reaching,Separation,Sichuan Province,Taking,Tied Up,Time,TrainPhotographer ED JONESCollection: AFP 2013 AFPDomestic worker Chen Guolan (C) says goodbye as she prepares to leave the apartment of her employers, where she also lives, in Beijing on January 31, 2013 to catch a train bound for the south-western Chinese city of Chongqing, a journey of 32 hours, and where she will also take another train for a further 6 hours to reach her home in Yiban, Sichuan province. The world's largest annual migration is underway in China with tens of thousands in the capital boarding trains to journey home for Lunar New Year celebrations. Passengers will log 220 million train rides during the 40-day travel season as they criss-cross the country to celebrate with their families on February 10, but just as making the trip home can be laborious -- often lasting one or two days -- so can simply acquiring a seat on the train, and every year complaints arise about the inefficiency or unfairness of the system, although an initiative allowing travelers to purchase tickets online aims to curb long queuing times. AFP PHOTO / Ed Jones (Photo credit should read Ed Jones/AFP/Getty Images)