Yellowstone National Park is US national park which was built in 1872. It covers about 9065 square kilometers and is one of (large) parks in America.
Yellowstone is widely seen as the first national park in the world and it is famous its wildlife. Native (土著的) Americans (live) in the Yellowstone for at least 11000 years. There were some visits by mountain men during the early-to-mid-19th century. Later, the U. S. Army began to protect the park and tried hard to make it (peace). In 1917, the National Park Service (国家公园管理) built (hundred) of buildings there. Now, these buildings are (real) important for the study about American history.
Some people don't know to do in the Yellowstone when they pay their first visit. Actually, there are many fun activities in the park, such as hiking, (camp) and sightseeing. Everybody could find something interesting to do there. So it is really a good choice for us (take) a trip to the Yellowstone National Park.
