In photos: Swimming with jellyfish

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When Seattle-based photographer Nadia Aly was diving in Jellyfish Lake in Palau, an island in the Pacific Ocean, and found herself surrounded by a swarm of jellyfish, she took advantage of the moment. Since the jellyfish in the lake have no natural predators, they have lost their sting. This enabled Aly to get unusually close and shoot thousands of photos over the course of a few days using her Canon 5D Mark II in an Aquatica Underwater Housing unit. See gallery