north american indians were the first people to use tipis, hundreds of year ago and they are still usd today. many people like them because they are easy to move and quick to set up. they are strong too, so they provide protection in very bad weather. some people today like living in tipis are friendly to the environment. in the winter,people put special cover in the inside of the tipis because this make them warmer, in the center of the tipi there is often a fire. smoke escapes through a hole in the top of the tipi. in the summer, some people paint their tipis white because it is coocle. a modern tipi can last around ten year-if you take care of it.