Planet Earth is home of some spectacular relics from bygone eras, constructions that seem to defy the technological capabilities of their time. Either because they are too big, too heavy, or too complex. In Giza-the most famous of Egypt's pyramids rise from the desert built more than 4500 years ago, the pyramids at Giza are monumental tombs where arrived queens and Pharaohs were buried. The stone crafting Rapa Nui, but a leading theory suggests their civilization succumbed to environmental disaster of their our making which is something that probably could have prevented had ancient aligns. Our civilization is highly Vulnerable to annihilation by self-inflicted wounds, such as Nuclear wars or climate change, as well as external threats such as asteroids impacts or evolution of the Sun. Earth appears to comfortable home for us. Moi a giant statue found in Easter Island, Easter Island is an isolated island in the Pacific Ocean although it technically belong to Chile. It is quite far away from the mainland nation; at 2150 miles (3,460 kilometers), there are approximately nine Hundred Moai on Easter Island. Why they are built remain mysteries; it's a connection with alien technology.