Design and Architecture at the Olympics

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A roof inspired by leaves, and swimsuits by sharks' skin -- at the Olympic Games! Frances Anderton speaks with Melanie Klettner of Women's Wear Daily about clothes that shave off seconds. Also, a conversation with Spanish-born architect and engineer Santiago Calatrava, whose more than 60 bridges, stations and buildings made of sinewy steel and concrete are instant landmarks, resembling soaring wings, sails in motion, leaves or the skeletons of animals.