Recursive loops

Current view of Millennium Point forecourt and Curzon Street. According to the ginormo balloon thing in the atrium, MP is now 10 years old, so that's an impressive collection of scars on the carpark already. Looks like road closures in the lead up to carpark becoming City Park start next week.
Other kings said I was daft to build a castle on a swamp, but I built it all the same, just to show ’em! It sank into the swamp, so I built a second one. That sank into the swamp. So I built a third one. That burned down, fell over, and then it sank into the swamp. But the fourth one stayed up! And that’s what you’re going to get, lad – the strongest castle in these isles…