People in WWI military uniforms of the country participate in a parade at the National Military History Museum to mark the centenary of WWI in Bucharest, Romania, May 10, 2014. (Xinhua/Gabriel Petrescu)

People in WWI military uniforms of the country participate in a parade at the National Military History Museum to mark the centenary of WWI in Bucharest, Romania, May 10, 2014. (Xinhua/Gabriel Petrescu)

People in WWI military uniforms of the country participate in a parade at the National Military History Museum to mark the centenary of WWI in Bucharest, Romania, May 10, 2014. (Xinhua/Gabriel Petrescu)

People in WWI military uniforms of the country participate in a parade at the National Military History Museum to mark the centenary of WWI in Bucharest, Romania, May 10, 2014. (Xinhua/Gabriel Petrescu)

People in WWI military uniforms of the country participate in a parade at the National Military History Museum to mark the centenary of WWI in Bucharest, Romania, May 10, 2014. (Xinhua/Gabriel Petrescu)