Locally known as "the Coat Hanger," what is the world's largest steel arch bridge as well as its most climbed?
Answer Sydney Harbor Bridge
Known as the "Coathanger" for its unique shape, the Sydney Harbour Bridge is the most climbed in the world, having welcomed over four million since its opening in 1998. Climbers burn some 500 calories while climbing the 1,332 steps to the summit.
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