Vienna on a grey morning. Vienna is one of the places I've lived. What you can't tell from this photo is just to the right is the Christkindlmarkt. They host this lovely Christmas market on Rathausplatz in Wien, Österreich, every year.
spaceexp: A montage of New Horizons images of Jupiter and its volcanic moon Io, taken during the spacecraft’s Jupiter flyby in early The image shows a major eruption in progress on Io’s night side, at the northern volcano Tvashtar