"My foot! My foot! It"s eating my foot! Oh, for crissake, help me, somebody! Get my foot out of it!" Lemke started to crawl on his hands and knees over to help the man, when he felt his left knee sink downward. Surprised, he glanced down to find that his leg had dropped into the floor nearly four inches. "What the f**k?" Beneath his hand, the slippery tiles shifted, turned liquidy, almost soupy, and less than a heartbeat later his arms sank into the goo up to his shoulders. His chin banged painfully on the tiles directly underneath him. And then he felt the clay harden. Lemke screamed, but his voice was lost among the others who were also trapped with him. Fruitlessly they tried to extricate themselves from the muck which sucked them further into the moist, slippery floor, arm by leg,

