Ok it one of my fun lil glitches....First go to the very right wall OUTSIDE of ZG and keep running into the corner and jump just keep Hold Up + Jump and soon u will jump thru the wall and down onto like what seems to be old zg but u fall down further into this weird Nothing landscape with 2 waterfalls and thena giant forest idk what it is it may be a test thing thats not gunna be used or just a coding glitch