Dragon King Temple, Heilongtan, Peking
University of Bristol - Historical Photographs of China reference number: WC01-122. The Pool of the Black Dragon (黑龙潭), Western Hills, Peking (Beijing). See BL-s112, Hv08-145, Ph04-226, Ph04-228, Ph04-229 and Ph04-231, WC01-073, WC01-074 and WC01-122.
Black and white photograph
University of Bristol Library, Special Collections