Out Of Whack (part I)

The joys of living in old housing… Christine and I built some shelves in my our apartment last weekend. They came out quite well, but when we put the first wood plank on the top, we immediately noticed that something looked off:

shelves1.jpg

So which is straight: the shelves, or the ceiling?

Here’s a closeup of the level sitting on the top shelf in the first picture:

straight.jpg