A photographer taking a photograph in military earthworks

University of Bristol - Historical Photographs of China reference number: BL-n088. BL-n088 is a crop of BL-n087.  Caption on typed list accompanying the box of negatives: '44: Casualties on battlefield. Bodies of men and horses. Photographer can be seen'.  Digitised from a negative made for a copy print.  The rough defensive earthworks seem to be a briefly held fort (or gun placement) between Peking (Beijing) and Tientsin (Tianjin)?  Boxer Uprising.