Robot restaurant mystery

Locals had nicknamed the eatery the "robot couple restaurant" as they couldn't understand how the same couple seemed to be on duty from 6am through to 3am.

The restaurant, in Yiwu, is actually run by two couples - and both the men and the women are identical twins.

It turned out that the twin brothers, 32, married a set of twin sisters from the same township three years ago and moved to Yiwu to run the restaurant together.

"Many diners thought we worked too hard and are like robots, but they don't know that we are actually four people," said Mao Zhanghua, 32, the elder brother.

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