Photos of Nature  →  Photos of Sunsets  → Photo of Clout top green flash     Wikimedia Page: http://commons.wikimedia.org/wiki/File:Cloud-top_green_flash,_San_Francisco,_California_-_2006.jpg Summary Description English: A little understood cloud-top green flash in San Francisco , California. Date 2006. ( 2006. ) Source Own work . Author Mila Zinkova Licensing I, the copyright holder of this work,