Strange UFO-Shaped Spiral Cloud Above Ankara, Turkey - Dec 14, 2012
According the witness, there were no clouds in the sky, just only this strange phenomenon.
To make sure that it was not reflection of lights, the witness turned off all the indoor lights. The cloudy thing was visible from all windows. The size of the object is not known, but it was nearly 2 miles away from the place of recording of this UFO cloud.