A young woman found a nice place to get some sun on the top of her condo building.
After doing this a few times, and realizing no one could see her,
she took off her suit to get an all-over tan.
Soon after doing this, the building manager came up and told her that she
needed to put her swimsuit back on.
“Why,” she complained, “nobody can see me here,
so what’s the difference.”
“The difference,” he said, “is that you are lying on the
skylight to the dining room.”