From coreyspowell https://twitter.com/coreyspowell on Twitter: Extraordinary double green-flash sunset from San Diego, enhanced by smoke from the California fires--maybe the only good thing to come from them. (Photo: Chris Mannerino) http://earthsky.org/todays-image/photo-double-green-flash-san-diego https://twitter.com/coreyspowell/status/944578147982495749/photo/1 https://chirp.cooleysekula.net/attachment/46200