From the goal: "Meaning for instance no miniatures of movie and television characters. "

The ruler certainly shows the size of the tower, but it really doesn't make for a good photograph. Try photographing the tower on it's own, with an interesting background and light. You can use this one as an SBS to prove the size.

The ruler ruins it all, author.

Changed it, no ruler

This is definitely an improvement.

Focus seems to be on the back of the train.

Cool hamburger :P

i think it will be better if you set up the scene first (like removing extra objects , or getting the train on the floor )