It had once been forest. Millions of square kilometres, the biggest arboretum in seven solar systems. It had contained more species than the Okapi Nebula. Three dynasties had been formed, and fallen, in the time it took to plan, let alone plant.
It had been levelled in two hundred years. A blink of an eye, and equally reflexive. Nobody thought to ask how high when the Emperor said jump. They just leapt.
A mathematician had calculated it would take more years than the universe was old to paint the lines in zone A alone.
It had been his final calculation.