Women guards of honor of People's Liberation Army of China perform during the "Spasskaya Tower" International Military Music Festival in Moscow, Russia, on Sept 5, 2015. The 8th International Military Music Festival "Spasskaya Tower" kicked off here on Sept 5 and will last until Sept 13 in Moscow. [Photo/Xinhua]

The guards of honor of the Presidential Regiment of Russia perform during the "Spasskaya Tower" Military Music Festival in Moscow, Russia, on Sept 5, 2015. [Photo/Xinhua]

The Royal stilt walkers of Belgium perform during the "Spasskaya Tower" Military Music Festival in Moscow, Russia, on Sept 5, 2015. [Photo/Xinhua]

A member of band of Moscow Military Music College of Russia performs during the "Spasskaya Tower" Military Music Festival in Moscow, Russia, on Sept 5, 2015. [Photo/Xinhua]

Women guards of honor of People's Liberation Army of China perform during the "Spasskaya Tower" International Military Music Festival in Moscow, Russia, on Sept 5, 2015. [Photo/Xinhua]

Members of the band of the People's Liberation Army of China perform during the "Spasskaya Tower" International Military Music Festival in Moscow, Russia, on Sept 5, 2015.[Photo/Xinhua]

Women guards of honor of People's Liberation Army of China perform during the "Spasskaya Tower" International Military Music Festival in Moscow, Russia, on Sept 5, 2015. [Photo/Xinhua]

Members of the band of the People's Liberation Army of China perform during the "Spasskaya Tower" International Military Music Festival in Moscow, Russia, on Sept 5, 2015. [Photo/Xinhua]

Members of "Le Cheile Sa Cheol" Massed Pipes and Drums of Ireland perform during the "Spasskaya Tower" Military Music Festival in Moscow, Russia, on Sept 5, 2015. [Photo/Xinhua]

Women guards of honor of People's Liberation Army of China perform during the "Spasskaya Tower" International Military Music Festival in Moscow, Russia, on Sept 5, 2015. [Photo/Xinhua]

Photo taken on Sept 5, 2015 shows the fireworks at the "Spasskaya Tower" Military Music Festival in Moscow, Russia. [Photo/Xinhua]