Naturally available building materials which are abundantly available in the region are to be used. This is how building materials have evolved over time. Trying to create building structures out of materials which are not naturally available in the region will increase the building costs since each input will be at a higher price.
Naturally available building materials which are abundantly available in the region are to be used. This is how building materials have evolved over time. Trying to create building structures out of materials which are not naturally available in the region will increase the building costs since each input will be at a higher price.