Put together on little budget, and without subsidies from the Northern Irish government, Belfast Photo Festival gives heft to the claim that Belfast is a hotbed of contemporary photography. Many of the exhibitions on show are themed around sexuality and gender, but there are also more open-ended group shows – many of which were curated through an international open submission process, moderated by a panel of experts from MoMA, MACK, FOAM, Magnum Photos, The New York Times, and BJP