The first walkway the Doctor tried almost gave way beneath his feet. The second creaked disconcertingly, and he half-ran, half-tiptoed across it. He didn’t even dare put his foot on the third. He’d got two city blocks closer to his goal and decided to enter the nearest tower and descend to ground level – an easier task than he’d dared hope, as the building had a fantastically carpeted staircase. This place had been a hotel.