Here are some photos that Craig Howell has taken over past years:
- 2005 https://craig.howell.net/05girodcalifornia/index.htm
- 2008 https://www.flickr.com/photos/seat850/sets/72157608040557079
- 2012 https://www.flickr.com/photos/seat850/albums/72157631710010957
- 2013 https://www.flickr.com/photos/seat850/sets/72157638210748114
And Alex Azam has also posted some at: