American Coby Miller made the most of the Olympic Stadium's sweeping bends to win the 200m in 20.04secs - the second fastest time in the world this season.

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In another spot, Ventura appears bare-chested as he bends in the pose of Rodin's "The Thinker" while an announcer reels off his credentials as a father and volunteer football coach.

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To exploit the power of modern high-speed locomotives, engineers resort to tilting trains and special track free of sharp bends: it's cheaper than tearing up the existing rails and starting again.

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