VFYW: May'd You Look!

For contest #291, a blue-and-white-and-red herring misdirects many readers.

A previous winner is stumped:

This view is obviously from a window somewhere in Bavaria, or possibly in another region in Germany that puts up Maibäume every May. I gave up after looking at approximately a thousand Maibäume — those festively decorated poles in the middle of the square, also known as maypoles. I couldn’t nail this contest — no clue where …