Answer:
<h2>It's AGUST D,J-Hope and RM</h2>
The BTS rap line is lit
Hope it helps
I pretty sure it was a system to deliver messages.
Its mostly a stylistic choice although at one points it was mostly a heat related idea. Hot air rises so having a steep roof allowed for the accumulation of hot air. It was also a good windbreaker so a collection of houses were able to stop a lot of the harsh wind from damaging things.
