In 60 seconds - What are the Elgin Marbles?
The Greek prime minister has said the British Museum's decision to loan one of the Elgin Marbles to Russia is "an affront" to the Greek people.
The disputed artefact is set to be displayed in St Petersburg's until mid-January.
But what are the Elgin Marbles and why are they causing a big diplomatic row?
BBC News explains.
05 Dec 2014
- From the section Europe