1930s news. Race against time. Athlete Florence Ilot races across Westminster Bridge at noon on April 14. She achieves her aim of crossing the bridge before Big Ben has stopped striking 12 noon. The distance is 1160ft. Traffic and people cross the bridge in the ordinary way while this feat is undertaken. Big Ben is covered in scaffolding.

https://www.youtube.com/watch?v=lgkamDHj1-M