Jørn Utzon: The Sydney Opera House

according acoustic appeared architect architecture Arup Arup's Ashworth Assembly auditoriums Australian base beams Bennelong Point Book building built centre Chinese architecture Church cladding competition completed concrete construction cost covered dated detail developed drawings elements elevation engineers expression facades finally finished function geometry given glass walls Hall harbour idea interior issue January Jørn Utzon later Letter light London Major Hall March material Max Dupain metres Mitchell Library mullions nature panels Photo photographs placed platform plywood position possible prefabricated presentation principle problem produced PROFILE proposals published reference remains response result roof scheme segments shape shells showing side sketches solution South Wales space stage structure studies suggested surface Sydney Opera House theatre tiles tion town United University Utzon vaults Zodiac