Earliest haunting images of Tibet revealed: Photographs taken by British officer during controversial 1903 mission which depicted Mount Everest to Westerners for the first time

 The collection of photographs, which would have been the first time a Westerner captured the landscapes on film, is expected to fetch £1,200 at auction

 The British camp, which was made up of soldiers, sherpas and porters, is shown flying the Union Jack in front of Everest

 The fortress Gyantse Dzong fell to the British in July 1904 after a determined defence by Tibetans

 The invading British forces set up camp near Everest on their journey to the capital Lhasa from India