WORLD CIVILIZATION

Detailed explanation-1: -Indus Valley was the first civilization to use fire-baked bricks.

Detailed explanation-2: -Indus Valley homes were built from dried or baked mud or clay bricks. Stones were not used. A few other materials were used to complement the bricks to make the roofs, floors, interior walls, etc. Although hundreds of sites have been identified, only three cities have been yet excavated.

Detailed explanation-3: -"The building material for the villages and cities of the IVC [Indus Valley Civilization] was predominantly mud brick. Only in the Mature phase were baked bricks used in quantity, especially for walls and floors exposed to water (Possehl, 2002; Datta, 2001).

Detailed explanation-4: -Most were built of fired and mortared brick; some incorporated sun-dried mud-brick and wooden superstructures. Sites were often raised, or built on man made hills.