2,100-year-old iPhone? Black object found in 'Russian Atlantis' sparks speculation

In what could turn out to be one of the discoveries of the year, archaeologists have unearthed a 2,137-year-old 'iPhone' at a mysterious site nicknamed the 'Russian Atlantis'

The object was found in the grave of a young woman at the site in Siberia and has sparked furious speculation online as to its origins and purpose.

So is the artefact proof of a long-forgotten technology, or is there a less fanciful explanation?

Find out more in the video above.