Visiting a national park in North Sulawesi, Indonesia, award-winning photographer Mr Slater left his camera unattended for a while. It soon attracted the attention of an inquisitive female from a local group of crested black macaque monkeys, known for their intelligence and dexterity. Fascinated by her reflection in the lens, she then somehow managed to start the camera. The upshot: A splendid self-portrait.
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