http://sun-zoo.com/chinageeks/2010/0...torcycle-army/

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...over 100,000 migrant workers from the “Pearl Triangle” area (cities like Foshan, Dongwan, and Guangzhou) grouped together to become “the great returning-home motorbike army”. They strapped on warm clothes and important possessions, bundled up their family members, headed onto the highways en masse to get home for the holiday. To ensure their safety, especially in treacherous weather conditions, they were guided by 20,000 police officers as they rode together down highway 321. The police also set up special rest stops where motorbike drivers could relax and warm their hands. The reporter also said he saw police officers distributing raincoats and umbrellas at one of the rest stops.