Long term pinhole solargraphs the new hot thing

Seems like the latest thing in pinhole photography, is making 3 month, 6 month or even year long exposures. Several artists have recently been featured in exhibitions and articles using this technique. Check out these artists.

Image: CAM-A by eok.gnah, on Flickr, http://www.flickr.com/photos/eokgnah/4732579648/