You may be looking for Empire State Building.

The Empire State was a tower named after the Empire State Building on Earth. It reached from half a mile underground to the upper part of the atmosphere of the moon on which it was situated. The people who founded it manipulated the moon's orbit: once, it would have taken two years to get round all the six planets in its system; then it just took over a week to do it. It became a famous trading post. (AUDIO: The Empire State)

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