Answer:
The main advantages would be the lower air pressure and a lower amount of oxygen.
Explanation:
The general rule when it comes to air pressure and oxygen levels is that with higher altitude both of them drop, while at lower altitude both of them increase. This has affected the manner in which people have adapted to living in these different types of conditions. The people that live at high altitudes have no problem with the lower air pressure, and because of the lower amount of oxygen, they have better-developed lungs and larger lung capacity.
This is very evident when it comes to sports, especially when a team from a high-altitude area (like the Andes) plays at home against a team from a lowland area. Bolivia's national soccer team serves as an excellent example. When Bolivia plays at home against teams like Brazil, Argentina, Uruguay, and Paraguay, it tends to have surprisingly good results despite having a team of much lesser quality. This is because the players from the other teams struggle in such conditions and have problems breathing at that altitude. When Bolivia plays away from home though, then it has terrible results, as they don't have the advantage that they have at home.
