Samuel Johnson’s friend James Boswell had an interesting experience on Westminster Bridge. He recalled: “I picked up a strong jolly young damsel and taking her under the arm I conducted her to Westminster Bridge, and there in amour complete did I engage up in this noble edifice. The whim of doing it there with the Thames rolling below us amused me much.”

Boswell might not have had any trouble but for Big Ben it seems a case of erectile dysfunction….