People enjoy leisure time at the Bornitsky quarry, Leningrad Oblast, Russia, June 15, 2020. The Bornitsky quarry is well known for its rolling terrain that creates surreal martian landscape. The formation of the landscape was caused by mining limestone, a kind of building materials that was also used to build Kazan Cathedral in Saint Petersburg. (Photo/Agencies)
People enjoy leisure time at the Bornitsky quarry, Leningrad Oblast, Russia, June 15, 2020. The Bornitsky quarry is well known for its rolling terrain that creates surreal martian landscape. The formation of the landscape was caused by mining limestone, a kind of building materials that was also used to build Kazan Cathedral in Saint Petersburg. (Photo/Agencies)
People enjoy leisure time at the Bornitsky quarry, Leningrad Oblast, Russia, June 15, 2020. The Bornitsky quarry is well known for its rolling terrain that creates surreal martian landscape. The formation of the landscape was caused by mining limestone, a kind of building materials that was also used to build Kazan Cathedral in Saint Petersburg. (Photo/Agencies)
People enjoy leisure time at the Bornitsky quarry, Leningrad Oblast, Russia, June 15, 2020. The Bornitsky quarry is well known for its rolling terrain that creates surreal martian landscape. The formation of the landscape was caused by mining limestone, a kind of building materials that was also used to build Kazan Cathedral in Saint Petersburg. (Photo/Agencies)