Sun never sets in a St. Petersburg summer

In this photo taken on Thursday, May 3, 2018, street actors dressed in 18th century costumes dance at Dvortsovaya (Palace) Square in St.Petersburg, Russia. [AP Photo]

Imperial palaces line its network of canals, its stadium looks like a spaceship and some days the sun never sets. St. Petersburg is so far north that the last three weeks of June are “White Nights,” with the sky remaining light 24 hours a day.