British PM rules out return of Parthenon Marbles to Greece AFP/Athens Filed on March 12, 2021 The Parthenon Marbles, a collection of stone objects, inscriptions and sculptures, also known as the Elgin Marbles, are displayed at the British Museum in London October 16, 2014. (Reuters file) Britain is legitimate owner of the 2500-year-old sculptures, Boris Johnson tells Greece British Prime Minister Boris Johnson ruled out the return of the Parthenon Marbles to Greece in an interview published on Friday, insisting the artefacts were legally acquired by Britain. “The British government has a firm and long-standing position on the sculptures: they were legally acquired by Lord Elgin, in accordance with the laws in force at the time,” Johnson told Greek newspaper Ta Nea.