I found the article about advice for the French visiting the US. It is pretty funny.
http://www.dailymail.co.uk/tra...
OK, I took pictures of the boxes. I'm still contemplating what I want to do, I should just admit that it is hot and the idea of going up there for hours and working on them is not attractive.
Here's one as it would look with the platform inside.
and with one side of the platform lifted up
This shows the fill tube.
a whole bunch of them lined up on their ends so water won't collect inside. I really don't need this many, I'll have to find something else to do with them or somewhere else to put a few.
Here are a couple as they would look if in use. The concrete benches on the roof were designed to take 3 each of these boxes. I don't know what I thought I was going to grow in all of them, there are only so many tomatoes I need.