The universe is so big and vast, it is extremely plausible for an alien civilization, or many, to exist out there and build such amazing structure. This structure in particular, is believed to have been built by type 2 alien technology. UFOs use to drive by alien with use alien technology with different size and shape seen in different parts of the world. The aliens use to operate UFOs with use telepathy control system. Use to operate high-speed control by the super power of the mind. UFO found and seen in many parts of the world, mostly seen in Mexico, USA border, which has different size and shape such as Cigar, V shape, egg shape, and disc type use alien technology. Alien structure found in many parts of the world such as pyramids, artifacts.