roofs shapes

Architecture is the field that design the building. in this area everything that the architects choose it to be in the design means something such as roofs shapes and materials. all these choice based on the purpose of the building and the weather. in the cold areas around the world, usually the building have the Gable roofs which look like triangle; this type of roofs, they use it to allow the snow fall down from the top. the other common type of roofs is the flat one. this type is horizontal or almost, it has a very small slop to slid the water from the top. this kind mostly use in the hot climate areas. Also, the houses that had the flat roof, have more space inside and outside the house. in concluding, architecture is a very wide field and it has many roles to apply it in designing.