When the behind-the-scenes footage of the "Masters of the Universe" Movie set was first revealed, many were immediately excited by the character activity of Prince Adam, Skeletor and Evil-Lyn surrounded by green screen... and what appeared to be an aircraft landing walkway behind them. But behind that green screen appeared to be some type of palace walls that led out to a courtyard and what seemed to be a wonderful map of Eternia. And now looking more closely at those set walls and the actual walls of the Wells Cathedral (a filming location the "Masters of the Universe" Movie used…