Scarlet Sails (tradition)

Fireworks displays during the show feature a ship (the frigate Shtandart) with red sails
Crowd at Nevsky prospect, gathering for the show (2008)
Bridge traffic after the celebration, which ends at 1:00 in the morning

The Scarlet Sails (Russian: Алые паруса) is a celebration in St. Petersburg, Russia, the most massive and famous public event during the White Nights Festival every summer.