Ballet dancers perform Pyotr Tchaikovsky’s ‘Swan Lake’ at the Mikhailovsky theatre in St. Petersburg, Russia, on September 28, 2016. Ballet dancers perform Pyotr Tchaikovsky’s ‘Swan Lake’ at the Mikhailovsky theatre in St. Petersburg, Russia, on September 28, 2016. 4to40.com October 5, 2016 271 Views Share Facebook Twitter Stumbleupon LinkedIn Pinterest