(South China Morning Post) When police raided an illegal food storage site in Nanning, capital of the Guangxi autonomous region, they found decades-old chicken feet waiting to be processed. Some even dated to 1967, during the tumultuous days of the Cultural Revolution.

The storage site, raided by police in May, was run by a gang that reportedly smuggled chicken feet, beef tripe and cartilage from Vietnam across the porous border to Guangxi.

Some 20 tonnes of meat were seized in the raid, according to Xinhua. The bygone chicken feet, in particular, were brought into China frozen; they would then be processed with bleach and other chemicals to add weight and improve its colouring.

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