Firstly, barrier spam. Secondly, this structure clearly isn't in Ruins. Thirdly, you call it cobble ruins, but there's no actual cobble in the ruins. Stone bricks are not cobble.
Please Baw, take some time on your next map, really get to work, research a GOOD theme and try to add detail. You've seen the types of maps we accept and you should know that your maps are weaker by literal comparison.