When I'm cleaning windows....

.....sometimes I see things, in this case a thunder-thighed runner shot from ground level looking up (if you concentrate on the top right and sort of cross your eyes a bit........no?........just me then?)

Cabin fever has a lot to answer for............

Obligatory ukulele link

EDIT.....and how's this for weird, my year ago shot was taken of exactly the same pane of glass from the other side!