construction

There is a wasp building a nest in the upper corner of my shed doorframe.

I don't mind wasps in the yard, in fact I think it's one of them that attacked the dreadful tomato hornworm! But I'm not sure I like the idea of a wasp nest in this doorway. Eventually it would get knocked loose surely, by the door opening and closing? I feel bad to disturb the wasp, though. If you click to enlarge the picture, you can just see its antennae peeking out from above the nest. I showed it to my daughter and she was enthralled.