Stroll due to Piccadilly Circus like Harry, Ron, and Hermione did while fleeing Death Eaters in Deathly Hallows
https://brooksytkm895.tearosediner.net/harry-potter-london-tours-with-kids-prams-snacks-and-breaks-1
Stroll because of Piccadilly Circus like Harry, Ron, and Hermione did at the same time as fleeing Death Eaters in Deathly Hallows, blending magic with city lighting.