How to cut a watermelon in chunks

So I know summers over and watermelons may be so "last season". But here in Florida we have no seasons, and I still love to enjoy some fresh watermelon by the pool or beach. Liam could quite possibly eat a whole watermelon in a day if I let him. So in case you live in Sunny south Florida or your google searching this in the summer of 2014, here is how I cut my watermelon in chunks :)