Two problems have to be solved by all building construction

  • how to keep the walls up
  • how to span the spaces between them

See how the use of solid walls such as brick and stone has produced chunky low-rise buildings.
Learn how frame structures have been used to create tall buildings, clad with a range of materials from wattle and daub to glass.
Discover how architects and builders have developed arches, vaults and domes to span wide roof spaces.