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A Humwee vehicle pulls a canon transporting the coffin of the late King Michael of Romania as people on street watch during the funeral ceremony for the late King Michael I of Romania inside the former Royal Palace that houses the National Arts Museum in Bucharest, on December 16, 2017. Michael, who had been one of the last surviving World War II leaders, passed away in Switzerland following a battle with leukaemia on December 5, 2017. / AFP PHOTO / ADRIAN CATU (Photo credit should read ADRIAN CATU/AFP via Getty Images)

A Humwee vehicle pulls a canon transporting the coffin of the late King Michael of Romania as people on street watch during the funeral ceremony for the late King Michael I of Romania inside the former Royal Palace that houses the National Arts Museum in Bucharest, on December 16, 2017.

Michael, who had been one of the last surviving World War II leaders, passed away in Switzerland following a battle with leukaemia on December 5, 2017.
 / AFP PHOTO / ADRIAN CATU        (Photo credit should read ADRIAN CATU/AFP via Getty Images)