A highlight of this year's Interbuild will be 50/50, an exhibition which presents the best buildings and products of the past 50 years and makes predictions for the next 50, based on interviews with a range of experts. This week, on page 12, Techniker structural engineer Matthew Wells explains why Jørn Utzon's Sydney Opera House, which 'changed the way that architects and engineers work together', gets his vote.
Pre-register now for entry Visit www. interbuild. com or call 0870 429 4558