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    Do you know the Dead Sea? It is in Israel. In fact it is a big lake. The sun is hotter there than in the other places of the country, because it is much lower than the other places. It is 400 metres below the sea level (海平面). The water in the Dead Sea is very salty. Fish cannot live in the water and plants cannot grow near it. People are lighter in the salty water than in other water. They cannot swim well in the Dead Sea, but they can float on the water. In winter, people come to the Dead Sea. They bathe in the warm water.