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Two thirds of the surface of our planet is covered by water. Humans are 80% liquid. Water seems to be the source of life. However, it can also easily rob you of this life. There are many watercourses on Earth that pose a great danger to humans. Some of them have such a stormy current that they can take a person's life within minutes. Others teem with dangerous predators like anacondas and piranhas. In today's video, you will learn about the most dangerous of them. #pandora_tv