Do hills really pose these kinds of problems for flatlanders?
My guess is they dug the right side of the ground floor out of the hill. Main floor (red doors) meets grade at the right.
I guess I am a flatlander. I live in the flattest section of the country: South Florida where speed bumps are the highest altitude. BTW, there is one part of our County called Hollywood Hills. Guess what? NO hills. I don’t know how they came up with that name.