[ Batman doesn't respond. When they arrive, he parks the Batmobile along a large, illuminated circular platform. The Batcave itself is impossibly huge, and filled with a menagerie of technological marvels that boggle the mind; this cave is far unlike the one in Seattle. It extends so far below them the bottom is almost imperceptible, though there's a faint sound of running water-- an underground river. The large supercomputer, serving as a centerpiece, glows gently in his presence as though to welcome him back. ]