Notice how they entered the exterior door and there's blue sky visible as the lady brings up the rear? Then it's all dark when the camera view shifts to the indoor, across the warehouse look.
@JMMS1952 well, if it's an open top bldg they don't need windows for light or ventilation. Or, maybe, just maybe, there was a goof-up in the camera angle or the continuity editor overlooked this item?
He only was on that show for am image / career opportunity. He can't even sing great to begin with but he certainly got camera time for his song for Amber on their monthaversary. She even knew then it was all about that cam time.
It kills me because at first, I thought they would be super cute together... then he of course had to ruin it by cheating and the news getting leaked out... all over tv. Goodluck finding someone now lol