Wall Street and M.C. Escher

Is Wall Street an element of an M.C. Escher painting, or is the painting a tableau of Wall Street?

Which painting? Take your pick:

http://www.worldofescher.com/gallery/A23L.html

http://www.artistsuk.co.uk/acatalog/Escher_Relativity_Mousemat.jpg


Not that funny? Read my last post...