In the Middle East, in ancient times, where temperatures could reach very high peaks and where there were no modern devices like fans and air conditioners, people used so-called 'Badgir', literally 'wind traps'.
These are these tall towers that, at the top of the building (where the wind blows most often), have several grooves that trap the wind. The tower connects to the house at the bottom and acts as a conduit, sending fresh air into the house or into the warehouse that was used to store food.
Some towers had two separate channels: one for hot air to escape and another to draw in the outside wind. Wooden filters were incorporated into the channels to prevent dust from clogging the passages.
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