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Swimming is very popular in summer. A lot of people like swimming in summer because water  people feel cool. But you must be careful when you go swimming. Don't swim in a wrong place, it may not be safe. Don't go swimming , either.

Before you get into the water, you  get yourself ready. Do some warming-up exercise. When you are in water, always stay in a place where people can see you. Don't go swimming in the  water. Maybe you think that you are good at swimming anywhere at any time, but don't forget that safety is the  important thing!