A phenomenon I don't understand

So Provo in the summer is quite different from Provo in the winter; people are actually outside. There are many things that puzzle me about Utah culture but one that I find the most puzzling is the trend for people to tan on their lawns. Now you may think that that is normal however most of the people in Provo are students and thus they have no lawns. This being the case they resort to whatever patch of grass they can find. This baffles me. I will be driving down the street and there are people in their bathing suits on the corner just laying on their blankets. The other reason that I find it odd is because there is no shortage of pools here in Provo. There are several apartment complexes with pools and they are not hard to get into. Most don't even keep the gate locked. I propose that if one feels the need to tan there should be some kind of body of water located near by. A street corner is not appropriate. In fact it's just down right weird.