In really hot countries air conditioning in buildings might seem like a necessity; however, it is possible to design buildings that stay cool in the heat without even using electricity. In Burkina Faso there is a school that was specially designed to stay nice and cool by manipulating airflows.

There’s not much electricity to go around, Kéré says. “So there is no air-conditioning. It’s too expensive for a country like Burkina Faso.”

So when he designed this secondary school for Dano in his native land, he built it with innovative, elegant, distinctive and yet simply constructed split-level roofing and ceiling structures that funnel warm air up and out of the buildings.
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Tall window slats that can be adjusted control both light and heat. Three to a room, they pull air into the classroom. Heat rises.
To use that movement of air, a series of narrow “chimney” gaps between the convex wave shapes in the highly insulating concrete and brick ceiling pulls the hot air up and out the roof.

Read more and see pictures here.