I create enclosed spaces mainly by means of thick concrete walls. The primary reason is to create a place for the individual, a zone for oneself within society. When the external factors of a city's environment require the wall to be without openings, the interior must be especially full and satisfying.
Tadao AndoJapanese traditional architecture is created based on these conditions. This is the reason you have a very high degree of connection between the outside and inside in architecture.
Tadao Ando