Silhouette of people on boat at night during archstoyanie festival in kaluga oblast, russia

"Archstoyanie" Festival Russia, Kaluga Oblast https://www.stoyanie.ru/ https://www.wikiwand.com/ru/%D0%90%D1%80%D1%85%D1%81%D1%82%D0%BE%D1%8F%D0%BD%D0%B8%D0%B5