The main reason is to keep the house cool.The thick walls stop the heat entering inside the house and have flat roofs because there is less or no rainfall in that area and people sprinkle water above their roofs so that when it dries it takes the latent heat with heat leaving behind a cooling effect
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Yeah..the asker has freedom to select the best answer which he feels one can compel the asker...
i did not force him just ask him ok
And I am not commenting on ur ans...understand..
ok bye
K fine..bye bye
Houses should remain cold...coz so they hav flat roofs and the room should remain cool so.they have thick walls