Do these intriguing images show a UFO that fell to Planet Earth from outer space thousands of years ago, embedding itself deep in the ground?
The bizarre flying saucer-shaped object was dug up during excavation work by a coal mining company in Siberia's Kuznetsk Basin, Russia.
Archaeologists, were called in to examine the 'craft', which the excavators believe is a man-made object, describing it as a "mystery".
However, sky-watchers are convinced it fell from space.
There's probably a more prosaic explanation. ;-) To read more, click here.