A professional involved in photographing some of the inscriptions on the walls inside the Hatshepsut mortuary temple in Egypt

Typically, most conservation experts are horrified at the prospect of vast hordes of tourists using the flashes of their cameras, especially when this relates to a lot of color hundreds or thousands of years old. However, in this case, you can see a professional at work, evidently either hired by the Egyptian authorities, or with their support; trying to get a good photo of the paintings / carvings on the wall.
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