"It's an Ecumenopolis - a city-planet. Once, thousands of years ago, the city grew to cover the entire planet. Now it is built upon layers of itself, with only the peak of the highest mountain still visible. As an artificial park, in a concrete valley between buildings."
She pauses, remembering a pertinent fact. "Perhaps a trillion inhabitants, but nobody has accurately counted the undercity. Or, really, cities - nobody even knows what's at the base of all of it."
no subject
"It's an Ecumenopolis - a city-planet. Once, thousands of years ago, the city grew to cover the entire planet. Now it is built upon layers of itself, with only the peak of the highest mountain still visible. As an artificial park, in a concrete valley between buildings."
She pauses, remembering a pertinent fact. "Perhaps a trillion inhabitants, but nobody has accurately counted the undercity. Or, really, cities - nobody even knows what's at the base of all of it."