swimming is a good sport. it's popular. people like swimming because the water makes people feel cool. but if they swim in a wrong place, it is very dangerous. these years, some people died when they were enjoying themselves in water and most of them were students. summer holiday will be there again. i want to give you some advice. first, don't get into the water when you are alone. second, don't get into the water if there is a no swimming sign. third, you should be careful in the water. if you remember these, swimming will be safe and it's good for your health.