A triangular UFO crosses the sky quickly the February 10, 2014 at 20:26 hrs. This video is filmed with Yukon Ranger night vision system, and doing surveillance is when the passage of this object is captured with a triangle on the town Atizapán of Zaragoza, Edo. of Mexico. This recording is excellent, because we had not seen a single object of these conditions so far. It is a clearly TRIANGULAR UFO.