FORMER FARMERS FROM RURAL VILLAGES TURNED CONSTRUCTION WORKERS BREAK FOR LUNCH. THE CHINESE AUTHORITIES ESTIMATE THAT 144 MILLION HAVE ALREADY VOLUNTARILY LEFT THE LAND FOR THE CITIES, LURED BY THE PROSPECTS OF HIGHER WAGES. AS THE IMPACTS OF CLIMATE CHANGE ON AGRICULTURAL PRODUCTION DEEPEN, MILLIONS MORE FARMERS WILL BE FORCED TO LEAVE THE COUNTRYSIDE.