Stroll by Piccadilly Circus like Harry, Ron, and Hermione did at the same time fleeing Death Eaters in Deathly Hallows

https://martinoole103.huicopper.com/harry-potter-london-tours-for-families-kid-friendly-tips-1

Stroll because of Piccadilly Circus like Harry, Ron, and Hermione did whereas fleeing Death Eaters in Deathly Hallows, mixing magic with town lighting fixtures.