This is definitely a perfect square. I know that it took a lot of time before you were able to measure it, but it is amazing. I have never seen anything that is as amazing as this. I have been to a lot of halls, but this is a first time for me. I want to go and have a personal friend of mine have a look at it, he works for the company that does records of nice architectural work.
Write something about yourself. No need to be fancy, just an overview.