Russian President Vladimir Putin (L) talks to Serbian Prime Minister Aleksandar Vucic before their meeting in Belgrade on October 16, 2014. Putin was expected in Belgrade to secure Russian interests in Serbia, its traditional ally but also EU aspirant, and to attend 70th anniversary of Belgrade's liberation from Nazi occupation. More than 3,000 soldiers will take part in the military parade, which will also feature a Russian aerobatics display. AFP PHOTO / ANDREJ ISAKOVIC (Photo credit should read ANDREJ ISAKOVIC/AFP/Getty Images)