"I suppose it depends on who built it, how, and why," the Namekian responded. "Some people take their time with large projects like these--years even. Others want it quick and easy, and if they have the means they'll absolutely take it."

In other words, Piccolo couldn't truly answer the question without more information about this place. It seemed well thought out though so perhaps something in the middle. Enough time to get a majority of it built and a living biome begun but not the final touches quite finished.

"It is rather large scale. Must be meant for a lot of people."