Bird plays with golf balls ( i.imgur.com ) https://imgur.com/gallery/enjoy-simple-things-life-Ahez4jL...
Bird plays with golf balls ( i.imgur.com )
https://imgur.com/gallery/enjoy-simple-things-life-Ahez4jL...
xkcd #2842: Inspiraling Roundabout ( imgs.xkcd.com )
xkcd.com/2842...