When the roofing is in question, the construction workers are doing their best to make it strong, resistant and stable element of the building. It should be in lovely cohesion with the rest of the architecture, so it is more difficult to be achieved the beauty and the strength.  See the schemes bellow and you can only imagine how many knowledge the construction workers should have to make a specific calculations for the specific type of building. Size, shape and all to be strong and beautiful at the end.

 

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