Helen is challenged to walk 150 metres between the two furthest chimneys of Battersea Power Station in London, on a wire only 1.8cm thick, suspended 70 metres above the ground. Show more
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Helen is challenged to walk 150 metres between the two furthest chimneys of Battersea Power Station in London, on a wire only 1.8cm thick, suspended 70 metres above the ground. Show more