Each photographer has captured a wide range of issues from climate change to sexual assault within the American Military.
First held in 1990, the festival is now one of the most popular in Europe.
Orchids, Bonsai and a butterfly dome, here are some of the photo highlights so far.
Colourful festival allows artists and amateurs to express themselves with their body art skills.
From the KLIPPAN sofa to getting meatballs at the canteen – here are the best photos from the exhibition.
A photographic look at Britain's changing attitudes to identity, money, class and race.
Many of those who have been dancing to LCD Soundsystem and Chvrches are heading home – or at least to the nearest shower.
London, New York City and San Francisco were among the cities taking part in the annual LGBT festivities.
Revellers awoke to find that Britain had voted to leave the EU and that David Cameron would be resigning.
The Print Room's Grit and Glamour exhibition features portraits of stars of film, fashion and music.
Tate Modern's new 10-storey, pyramid-shaped tower has been unveiled ahead of its opening to the public.
The light festival transforms various buildings and landmarks into a canvas for the giant creations.
Members of the Royal family attend the preview of the horticultural event at the Royal Hospital Chelsea in London.
The exhibition explores daily life 90 years ago, revealing some intriguing similarities and some inevitable contrasts.
From Spiderman to giant burgers, each office has created its own 'design' which can be seen from buildings opposite or streets below.
Unauthorised show in Rome features 120-plus original prints, sculptures and paintings from private collections.
Hundreds of rock'n'roll artefacts from world's biggest music icons are exhibiting and going under the hammer.
The Grande Hotel da Beira was once the largest and most luxurious hotel on the African continent.
Showing at Somerset House from 19-22 May, the exhibition will show the works of galleries large and small.
From a chessboard to football stadiums, the former Polish minor and ironworker creates delicate sculptures in his flat in Ruda Slaska, Poland.
Undressed: A Brief History of Underwear opens on 16 April 2016 and will exhibit a wide range of items from cotton drawers to mirror-encrusted leggings
Nearly 2,000 postcard-sized artworks are on sale for a fixed price of £55, with the identity of the maker revealed only once the purchase is complete.