W56, also known as Akrij, is said to have been a group of various human-looking aliens in the 1950s, who had contact with several Italians. The aliens demonstrated some of their technology , and also asked for help from the Italians. The aliens needed fruit, metals and various other materials. W56 is said to also have had contact with people in other countries all over the world, and were said to have had a number of underground and undersea bases.
It is claimed the Italian contactees made photographs, video and audio recordings of the aliens.