Una smiled thinly, but there wasn't any humour in it. "Well then, we'll really be in trouble, won't we?" She cocked her head, glancing up at one of the nearby speakers. "They're probably offline too, aren't they? And the phones. Otherwise I expect we'd have heard a report from the Doctor by now." She chewed thoughtfully on her lower lip. "Suppose we could go search for him—them. And see what's up below. Or ... we wait." She turned a full 360 degrees, surveying the silence and the wreckage. "It feels like everything is waiting, doesn't it?"