Olof Broström wind drawings

http://www.oolf.net/index.php?/project/wind-drawings/

http://www.flickr.com/photos/greenhillcenter/sets/72157624832125885/with/4998709422/

Olof Broström wind drawings..beautiful..

Can I make 'light drawings' on photographically sensitised surfaces? may be these could sit inside the 'lift obscura?