Staying healthy is the most important in our life.There are a lot of activities for us to stay healthy.For me,I usually swim in the river in front of my house.I often swim with my father every afternoon .I swim about 2 hours every day.Swimming  help me relax after working hard and it also helps me have a good heathy. I like swimming very much because I want to be a swimmer.

Efficiency: Burns 500-1000 calories/hour. The amount of calories burned will depend on how fast or slow you cycle. Outdoor cycling is not only fun but also very good for your health. However, if you have to cycle in a densely populated area and often get stuck in traffic, it's bad.


Therefore, you should choose places like a park or near a lake where you can ride a bike and enjoy the fresh air. If you don't have time, buy yourself a cycling machine. You can watch TV while cycling, relax and exercise, equally interesting, right?