Lan is my classmate. Her hobby is swimming. She started this hobby 3 years ago. To be able to swim, she needs to have enough equipment and learn to swim, of course. She likes this because many reasons. First and foremost, swimming helps her save herself in dangerous situations like drowning,... Imagine you are traveling in a coastal city, it will be better if you know how to swim and enjoy water activities. Second, a lot of people have a fear of water, so learning to swim can alleviate that fear. Third, swimming is a rewarding and popular sport for a long time. Because there are more and more swimming pools in the city, many people come here to swim every day. In addition, owning a slim body is the dream of many women. In conclusion, swimming gives her a lot of benefits.