So depending on the average adult length of, say a beluga whale, that would dictate how big that diameter had to be. You had to be able to inscribe a circle that big within the outline of the exhibit. So you had to meet that lowest can comment denominator volume of tank was another one and surface area. So it’s, it’s, it was just kind of doing your homework and finding out what’s out there and what further do we need to do. Then of course it got down to visiting other facilities, seeing what they do.
