Parked by the southern half of the western wall were four blue lorries, and parked by the western half of the southern wall was a fifth blue lorry. Behind the driver cab, each lorry had a raised scissors-jack and a diamonds-shaped frame that together raised a bucket—four feet tall, four feet long, and as wide as the lorry—high above its lorry. Each bucket at the moment was raised such that the top of the bucket was level with the top of the brick wall that the bucket was next to. Outriggers by each lorry’s tyres, along with the tyres themselves, kept the diamonds-frame and bucket from tipping over.