Workmen carry out repair work on The City Wall, Xian, China

3 men bridge bridges builders china chinese city walls constant maintenance east asia eastern employment far east hard labor labour maintenance manual work renovations renovators shanxi skilled craftmanship spades workmen at work bricks building site construction daytime full length full lengths horizontal maintaining outdoors outside real people renovation repairs stock image stock photo stock photograph three men travel photo travel photograph travel photography travel stock travels working world culture travel travel destinations travel destination chinese culture chinese ethnicity chinese appearance asian ethnicity asians men only building exterior re development development building works world cultures culture national culture color image color colour tourism destination