The beauty and downfall of human beings are that we all have different tastes and preferences when it comes to what we find beautiful. I mean, without such a thing we wouldn’t have all the different types of design, architecture, and disciplines of art.
But covering this ceiling up is almost taking the whole personal preference thing a little too far. Who would want to cover up such a beautiful old piece of art? Sometimes office spaces put up temporarily roofing when they aren’t going to stay in places for long, so perhaps this is the result of that.