This is a lightsaber dueling arena located in an imperial base. It's meant to be like The Force Unleashed, where the surroundings are affected by the Force.
About this creation
This base has many parts that can be affected by the Force like in The Force Unleashed. It's a duel arena in a place where Imperials board AT-STs. My AT-ST set is broken, so I put my AT-XT in its place.
View of the entire arena, without the AT-XT there:
It even has a working elevator:
The bridge could be knocked down: (this is my favorite part)
The bridge is held by these Technic axles underneath. Slide them out, and the bridge will collapse.