It's all thanks to the games' voxel-based build. Normally complicated structures like these are built in an external editor and then inserted into the game. No need for that here.

God, I hate you so bad Xbox One!!! So much so that I will take time out of my day to track down articles of you and make petty and tired comments about you!!!

Must you relieve yourself on the dead....? (disgust)

Sea Lion!!

turd-stache

Must collect this marble.