Sky Casino

The Sky Casino (天空カジノ, Tenkū Kajino) is a floating casino owned by Sigma

Description
It is a high altitude floating establishment built right after the war ended. It has helium and the centrifugal force from the mass balancer makes it possible to stay aloft with far less fuel than it appears to need.

Background
It was written on to "the page" and immediately appeared, together with its 13 years of history.