A piece of aluminium that looks as if it was handmade is being hailed as 250,000-year-old proof that aliens once visited Earth. Metallic aluminium was not really produced by mankind until around 200 years ago, so the discovery of the large chunk that could be up to 250,000 years old is being held as a sensational find.
The details of the discovery were never made public at the time because it was pulled out of the earth in communist Romania in 1973. Builders working on the shores of the Mures River not far from the central Romanian town of Aiud found three objects 10 metres (33 feet) under the ground. FULL REPORT