Documentary film director WuHaoHao visited a village which his grandma used to live when he was a kid. 
He decided to go back to film what it is now like. He greet everyone by asking them "Are you happy?"
Some people he met was just take a rest outside the construction site. Some was just passed by after she picked up her daughter. Some even don't know what a film camer is. But they all answer him by carrying a warm laughter on their faces. 

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