Contemporary architecture bridges. One of the most remarkable examples of contemporary architecture and engineering is the Millau Viaduct in southern France, designed by architect Norman Foster and structural engineer Michel Virlogeux. The Millau Viaduct crosses the valley of the River Tarn and is part of the A75-A71 autoroute axis from Paris to Béziers and Montpellier. It was formally inaugurated on 14 December 2004. It is the tallest bridge in the world with one mast's summit at above the base of the structure. The British-Iraqi architect Zaha Hadid constructed the Bridge Pavilion in Zaragoza. Spain for an international exposition there in 2008. The
Millau Viaduct Vinci Group specialising in prestressing. It installed the cable stays and put them under tension, while the prestress division of Eiffage was responsible for prestressing the pillar heads. The steel road deck, and the hydraulic action of the road deck were designed by the Walloon engineering firm Greisch from Liège, Belgium, also an information and communication technologies (ICT) company of the Walloon Region. They carried out the general calculations and the resistance calculations for winds of up to . They also applied the launching technology. The sliding shutter technology for the bridge piers came from PERI. The bridge's construction cost