In recent years, many people are spending more time outsides. We can see that in nowadays, many individuals do not enjoy staying at home much like many decades or even centuries ago. We can see that in current days, large groups of people are going outside for traveling somewhere, or hanging out with friends to go to movie theatres, or shopping malls. In the next paragraph, we will discuss about that is the reasons of significant groups of people are not staying inside their houses like before.