Passengers in an open-topped wagon at a railway station

University of Bristol - Historical Photographs of China reference number: JC-s005.  Image on a post card.  Third Class accomodation in open-topped wooden freight wagons or boxcars, as seen in this image, was often used by labourers, including workers on their way to build railways and coastal defences in Manchuria (Source: Imperial Railways of North China by Peter Crush, page 90). Pekin = Beijing.