
Helicopters fly over the Red Square during a rehearsal of the Victory Day parade in Moscow, Russia, May 7, 2021. Russia will hold military parades across the country to commemorate the 76th anniversary of the Soviet victory in the Great Patriotic War on May 9.Photo:Xinhua

Servicemen line up using a thread during a rehearsal of the Victory Day parade in Moscow, Russia, May 7, 2021. Russia will hold military parades across the country to commemorate the 76th anniversary of the Soviet victory in the Great Patriotic War on May 9.Photo:Xinhua

Servicemen march during a rehearsal of the Victory Day parade in Moscow, Russia, May 7, 2021. Russia will hold military parades across the country to commemorate the 76th anniversary of the Soviet victory in the Great Patriotic War on May 9.Photo:Xinhua

Servicemen march during a rehearsal of the Victory Day parade in Moscow, Russia, May 7, 2021. Russia will hold military parades across the country to commemorate the 76th anniversary of the Soviet victory in the Great Patriotic War on May 9.Photo:Xinhua

Helicopters fly over the Red Square during a rehearsal of the Victory Day parade in Moscow, Russia, May 7, 2021. Russia will hold military parades across the country to commemorate the 76th anniversary of the Soviet victory in the Great Patriotic War on May 9.Photo:Xinhua

Servicemen march during a rehearsal of the Victory Day parade in Moscow, Russia, May 7, 2021. Russia will hold military parades across the country to commemorate the 76th anniversary of the Soviet victory in the Great Patriotic War on May 9. Photo:Xinhua

Jet aircrafts fly over the Red Square during a rehearsal of the Victory Day parade in Moscow, Russia, May 7, 2021. Russia will hold military parades across the country to commemorate the 76th anniversary of the Soviet victory in the Great Patriotic War on May 9.Photo:Xinhua

Servicemen are seen on military vehicles during a rehearsal of the Victory Day parade in Moscow, Russia, May 7, 2021. Russia will hold military parades across the country to commemorate the 76th anniversary of the Soviet victory in the Great Patriotic War on May 9.Photo:Xinhua

Servicemen march during a rehearsal of the Victory Day parade in Moscow, Russia, May 7, 2021. Russia will hold military parades across the country to commemorate the 76th anniversary of the Soviet victory in the Great Patriotic War on May 9. Photo:Xinhua

Aircrafts of the Russkiye Vityazi aerobatic team fly over the Red Square during a rehearsal of the Victory Day parade in Moscow, Russia, May 7, 2021. Russia will hold military parades across the country to commemorate the 76th anniversary of the Soviet victory in the Great Patriotic War on May 9. Photo:Xinhua

Servicewomen march during a rehearsal of the Victory Day parade in Moscow, Russia, May 7, 2021. Russia will hold military parades across the country to commemorate the 76th anniversary of the Soviet victory in the Great Patriotic War on May 9. Photo:Xinhua

Servicemen march during a rehearsal of the Victory Day parade in Moscow, Russia, May 7, 2021. Russia will hold military parades across the country to commemorate the 76th anniversary of the Soviet victory in the Great Patriotic War on May 9.Photo:Xinhua

Military vehicles are seen during a rehearsal of the Victory Day parade in Moscow, Russia, May 7, 2021. Russia will hold military parades across the country to commemorate the 76th anniversary of the Soviet victory in the Great Patriotic War on May 9.Photo:Xinhua