You have may seen deep indoor swimming pools before in the past. However, chances are that you have never seen a pool that is as deep as this one! Feast your eyes on what used to be known as the deepest indoor swimming pool in the world – Nemo 33 (that is, of course, until Y-40 came along and dethroned it.) It truly does not matter very much, because it is still mesmerizing – especially when you get a chance to see it from this perspective! What do you think about the second deepest indoor swimming pool in the world? Did it make you just want to dive right in and go for a swim?