Victorian floating city

As you can see from our view point on the bridge of this victorian air hangar, you can see its bulidt as a hangar for zeppliners and floats above the ground like a floating city,

This city in the sky is driven by anti gravity super teknology.

Its function is as an mobile hangar and repair facility for the victorian empire's zeppliner fleets.

It also got for selv defense runways for its planes to take off from, and havy capital size tesla bombs for potential ground targets.

Its only weakness is its need to be powered by lightning strikes. the lighning strikes is absorbed by its lightning rods that is placed around the air hangar.
This means it is only efficient to be used on the victorian empires plantes that got a high level of thunder storms on them.