I love that middle link of yours, thank you. 40 years ago I was that small child and so I suspect were a lot of the rest of us at HAV.
I was hoping someone would understand why I put it there :-) Yay.
Here is an HAV-supplied aerial view:
https://www.youtube.com/watch?v=icbR369FZZs
... and one from the front (and directly underneath)
https://www.youtube.com/watch?v=ju-UXiW8G-I