hey why are there obstacles in the way around the tower?

guys its april fool i got it i spent 18 hours searching and searching with my friends but its useless i got my time wasted and its april fool whenever i go to places which are not allowed my tank self destructs automatically in a sec its impossible however the prize may be real but a normal tank widout any hack cannot climb to the top

hey everyone check out my pic is it awesome? i will surely win the contest INSHA ALLAH