What are the most important, interesting, or treasured buildings, innovations, products and engineering projects of the last 50 years? Where are we heading in the next 50? This issue coincides with the 50:50 exhibition at Interbuild, where these questions are addressed by 50 experts.Which would you choose?
Above left: Stirling and Gowan's Leicester Engineering building,1984 Above right: Basil Spence's Coventry Cathedral,1962 Far left: Wright's Guggenheim in New York under construction in 1959.
Left: Piano and Rogers Centre Pompidou,1977