The Sydney Opera House, although not yet completed, is already a very famous building. Its design and many of the circumstances surrounding its construction are controversial. This controversy has often obscured many interesting problems and their solution, particularly those concerned with the design and erection of the structure. O.N. Arup and G.J. Zunz
Western Avenue is a 4km (23 mile) elevated highway to motorway standards, now under construction in West London. When completed it will be the longest elevated highway in Europe. H.D. Huntley