Monochrome Week: #tb to July, 2015 Common Swift at the abandoned Northern fort №1, Kronshtadt, Russia The town of Kronstadt is the fortress in the sea, situated on the small island of Kotlin in the eastern part of the Gulf of Finland, 48 km west of Saint Petersburg. Kronshtadt (also spelled Kronstadt, Cronstadt) is the town with the population of 45000 people and famous #history. Nowadays this town is formally a district of St.Petersburg.