Arjun’s fascination with seeing a rootstock human had given way to impatience. He focused on Ty again. "This is old history, of course," he said, "but never forgotten by some people. Way back when the Eye was being designed—I’m talking a thousand years ago—there were alternative schemes proposed. The one we ended up with was simplest, easiest to build with what people had back then. The Eye, the Big Rock, and a small Cradle with sockets on the equator. Great for access to South America and Africa. Almost useless, however, in the stretch of the equator under the habitats where Aïdans, half of the Camites, and most of the Julians lived."