MrUlster 20170721 UlsterMuseum IMG_20170721_144233

The power and focus of French photographer Gilles PERESS's work created a landmark in the history of photography when his continuums of images of events during the 'Bloody Sunday' shootings in Derry-Londonderry in February 1972 were used as forensic evidence in subsequent inquiries. Gilles PERESS. Ulster Museum, Belfast, Northern Ireland.