One of those arms, in its entirety, had been cordoned off for the private use of T.R. and his drone swarm. Buses—the very largest and newest kind of gleaming inter-city double-decker behemoths—had been parked in queues, nose to tail, to either side, apparently for no purpose other than to form temporary walls. Drivers sat in them, comfortable in the A/C, and security personnel in earthsuits paced to and fro on their roofs.