As the helicopter touched down, the crowd broke into a chant: "A-lice Guo! A-lice Guo!"
At 31, Guo's star was rising: with promises of generous subsidies and economic development, all delivered in her signature brassy, upbeat tone, she had galvanised a following in the town which would see her become its first female mayor. But few of those cheering could have predicted that less than three years later, Guo would be behind bars, facing charges of human trafficking and allegations that she was a Chinese spy.