similar happened when I was photoing for work and they were digging.www.flickr.com/photos/gardenorganic/4711421569/in/set-72157624178018985/
www.flickr.com/photos/gardenorganic/4712063100/in/set-72157624178018985/
(www.flickr.com/photos/gardenorganic/4712063100/in/set-72157624178018985/
arrangedletters,
Tue 19 Oct 2010, 6:00,
archived)