belive it or not

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Incredible and magical moment of bottlenose dolphins swimming in water with bioluminescent organisms
Bioluminescence is the production and emission of light by living organisms. It’s a form of chemiluminescence, which is light produced by a chemical reaction. In bioluminescent organisms, this typically involves a light-emitting molecule called luciferin, an enzyme known as luciferase, oxygen, and other co-factors. The reaction results in the emission of light and is often highly efficient, meaning very little heat is generated
32 Photos That Will Make Your Stomach Drop
vintage climbing photo taken from Gaston Rebuffats book. amazing skill
Mt. Huashan: The world’s most dangerous hiking trail - Travel
Mt. Huashan: The world’s most dangerous hiking trail - Travel - Chinadaily Forum