Shape-changing UFO triangle filmed over Tijuana, Mexico - July 17, 2015

A strange object caught on video hovering in the sky over Tijuana in Mexico on July 17, 2015.

The witness said that the UFO is about 2 or 3 meters and continue changes its shape.

Finally the UFO morphed into a triangle and disappeared.

Below video shows the strange object and see how it changes shape.