San Fransisco - circa 1906

If you have not seen this video from the web, please look at it (click on the title above) and then watch the accompanying segment from yesterday's "60 Minutes." I watched the video some time ago and was amazed but I never gave it the kind of thought that it deserved and I should have. Click on and/or go to the following link. (Ignore the advertisement.)

http://www.cbsnews.com/video/watch/?id=6966797n&tag=related;photovideo