 Stone stairs of Fort No. 1 (Stronghold Liter B) near Vyborg. Russia, July 20, 2024
 Stone steps of grand stairs of Fort No. 1 (Stronghold Liter B) near Vyborg. Russia, July 20, 2024
 Undeground shelter in Fort No. 1 (Stronghold Liter B) near Vyborg. Russia, July 20, 2024
 Small stalactite formed of calcium salts deposited by dripping water in Fort No. 1 (Stronghold Liter B) near Vyborg. Russia, July 20, 2024
 Large granite stone in Vyborg Bay near Stony Trail (Kamenistaya Tropa) in Kivi Park south from Chulkovo, west from Vyborg. Russia, July 27, 2024
 Grey lichen on a granite stone in Paltsevo Rock Massif near Svetogorsk Highway near Vyborg. Russia, July 20, 2024
 Folious lichens on a stone on Storozhok Peninsula near granite quarry near Stony Trail (Kamenistaya Tropa) in Kivi Park south from Chulkovo, west from Vyborg. Russia, July 27, 2024
 Granite rocks and a boat in Vyborg Bay from Gvardeysky Island. Vyborg, Russia, July 20, 2024
 Vyborg Bay from Gvardeysky Island. Vyborg, Russia, July 20, 2024
 Granite boulders in Vyborg Bay near Stony Trail (Kamenistaya Tropa) in Kivi Park south from Chulkovo, west from Vyborg. Russia, July 27, 2024
 Granite stones on a beach of Vyborg Bay near Stony Trail (Kamenistaya Tropa) in Kivi Park south from Chulkovo, west from Vyborg. Russia, July 27, 2024
 Large granite boulders in Vyborg Bay near Stony Trail (Kamenistaya Tropa) in Kivi Park south from Chulkovo, west from Vyborg. Russia, July 27, 2024
 Stony beach of Vyborg Bay near Stony Trail (Kamenistaya Tropa) in Kivi Park south from Chulkovo, west from Vyborg. Russia, July 27, 2024
 Obese female sea gull sitting on a stone wall in Bishop s Garden at Toom-Kooli 21 in Tallinn old town. Estonia, August 14, 2024
 Stones scattered on a granite base on a beach of Vyborg Bay on Storozhok Peninsula near granite quarry near Stony Trail (Kamenistaya Tropa) in Kivi Park south from Chulkovo, west from Vyborg. Russia, July 27, 2024
 Pine trees growing among granite stones on a beach of Vyborg Bay on Storozhok Peninsula near granite quarry near Stony Trail (Kamenistaya Tropa) in Kivi Park south from Chulkovo, west from Vyborg. Russia, July 27, 2024
 Brick wall at 11 Krepostnaya Street in old city of Vyborg. Russia, May 24, 2019
 Granite wall near Monrepo (Mon Repos) Park. Vyborg, Russia, September 10, 2016
 Powder bunker of Vyborg Fortress. Russia, July 20, 2024
 Ammunition storehouse in a cave near Vyborg. Russia, July 20, 2024
 Shores of Gvardeysky Island. Vyborg, Russia, July 20, 2024
 Stone stairs of Gril Platz in Fort Constantine, Kronstadt. Saint Petersburg, Russia, June 21, 2011
 Gate of a powder bunker of Vyborg Fortress. Russia, July 20, 2024
 Interior of a small granite cave near Vyborg. Russia, July 20, 2024
 Buildings of Vyborg Historical Power Station at 20A Morskaya Naberezhnaya Street. Vyborg, Russia, August 5, 2024
 Granite wall in Monrepo (Mon Repos) Park. Vyborg, north from Saint Petersburg, Russia, October 7, 2016
 Examining a granite cliff during a geological tour near Vyborg. Russia, July 20, 2024
 A house at 40 Geroev Street in Gvardeysky Island. Vyborg, Russia, July 20, 2024
 Inside Fort Rodman, view from a hole in the wall. New Bedford, Massachusetts, April 18, 2004
 Various crustose lichens on a granite shore of Gvardeysky Island. Vyborg, Russia, July 20, 2024
 Stone ruins at Parkovaya Street in Vyborg. Russia, May 24, 2019
 Abandoned stone wall (typical for this part of New England) in a forest near Doctor Durfee s Mill Pond in Freetown - Fall River State Forest. Massachusetts, July 12, 2003
 A yard inside Fort Rodman, view from a hole in the wall. New Bedford, Massachusetts, April 18, 2004
 Physcia lichen on a granite boulder on shore of Gvardeysky Island. Vyborg, Russia, July 20, 2024
 Brown crustose lichen on a granite shore of Gvardeysky Island. Vyborg, Russia, July 20, 2024
 Rosette lichen Physcia on a granite shore of Gvardeysky Island. Vyborg, Russia, July 20, 2024
 Common groundsel (Senecio vulgaris) on granite of Gvardeysky Island. Vyborg, Russia, July 20, 2024
 Texture of green moss on granite shore of Gvardeysky Island. Vyborg, Russia, July 20, 2024
 Close-up of green moss on granite shore of Gvardeysky Island. Vyborg, Russia, July 20, 2024
 Stone house on Suvorovsky Prospect. Vyborg, Russia, August 12, 2012
 Stone ruins on Tverdysh Island. Vyborg, Russia, June 23, 2017
 Stone fence of Monrepo Park. Vyborg, Russia, September 1, 2007
 Xanthoparmelia and Rhizocarpon geographicum lichens on a granite shore of Gvardeysky Island. Vyborg, Russia, July 20, 2024
 Close-up of rosette lichen Physcia on a granite shore of Gvardeysky Island. Vyborg, Russia, July 20, 2024
 Rapakivi granite with large round crystals on shore of Gvardeysky Island. Vyborg, Russia, July 20, 2024
 Flowers of stonecrop (Sedum, Hylotelephium telephium(?)) on shore of Gvardeysky Island. Vyborg, Russia, July 20, 2024
 Granite stone in a courtyard at 12 Krepostnaya Street. Vyborg, Russia, June 21, 2014
 Stone fence of Monrepo (Mon Repos) Park. Vyborg, Russia, September 10, 2016
 Yellow map lichen (Rhizocarpon geographicum) on a granite boulder on shore of Gvardeysky Island. Vyborg, Russia, July 20, 2024
 Rock shield lichen (Xanthoparmelia) on a granite boulder on shore of Gvardeysky Island. Vyborg, Russia, July 20, 2024
 Grey crustose lichen Aspicilia on a granite boulder on shore of Gvardeysky Island. Vyborg, Russia, July 20, 2024
 Stone bear from an old railway station building on Vokzalnaya Street in Vyborg. Russia, May 24, 2019
 Rosette of yellow map lichen (Rhizocarpon geographicum) on a granite boulder on shore of Gvardeysky Island. Vyborg, Russia, July 20, 2024
 Resupinate polypore mushroom on a fallen spruce branch in a rocky mountainous area around Paltsevo, near Vyborg. Russia, July 20, 2024
 Growth of yellow map lichen (Rhizocarpon geographicum) on a granite boulder on shore of Gvardeysky Island. Vyborg, Russia, July 20, 2024
 Birch growing on a stone fence at Storozhevoy Bashni Street in old city of Vyborg. Russia, May 24, 2019
 Large mossy stone in a forest near Monrepo (Mon Repos) Park. Vyborg, Russia, September 10, 2016
 Stone gate of a house at Lenina Prospect in Vyborg, north from Saint Petersburg. Russia, October 7, 2016
 Stone fence of Monrepo (Mon Repos) Park. Vyborg, north from Saint Petersburg, Russia, October 7, 2016
 Stone ruins near Al Thugab Fort, on northern coast. Qatar, December 12, 2015
 Some stone wall in Al Areesh. Northern Qatar, March 6, 2015
 Circular round patch of yellow map lichen (Rhizocarpon geographicum) on a granite boulder on shore of Gvardeysky Island. Vyborg, Russia, July 20, 2024
 Stone fence of a tower of Al Thugab Fort, on northern coast. Qatar, December 12, 2015
 Stone remains near Al Thugab Fort. North-west coast, Qatar, June 20, 2015
 Stone ruins near Al Thugab Fort. North-west coast, Qatar, June 20, 2015
 Stone balls at archeological display near Zubara Fort. Northern Qatar, September 20, 2014
 Stone wall in a village of Al Areesh (Arish). Northern Qatar, May 9, 2015
 Stone wall of a house in Al Areesh. Northern Qatar, March 6, 2015
 Ruins of a house at the beginning of Stony Trail (Kamenistaya Tropa) near Kubenskoe in Kivi Park south from Chulkovo, west from Vyborg. Russia, July 27, 2024
 Ruins of a bridge to Kubensky Island near Stony Trail (Kamenistaya Tropa) in Kivi Park south from Chulkovo, west from Vyborg. Russia, July 27, 2024
 Rock climbing on cliffs of Paltsevo Rock Massif near Svetogorsk Highway near Vyborg. Russia, July 20, 2024
 Remains of stone walls near Al Thugab Fort. North-west coast, Qatar, June 20, 2015
 Stone mosque at the entrance of Al-Rekayat Fort in Umm Jasim area. Northern Qatar, June 6, 2015
 Cat looking from a stone wall on Al Sham Street in West Bay. Doha, Qatar, August 22, 2014
 Corner tower with stone stairs of Al-Rekayat Fort in Umm Jasim area. Northern Qatar, June 6, 2015
 Stone wall near Jabal Al Jassasiya, on north-eastern coast. Qatar, December 26, 2015
 Ruins of a stone wall of old village of Jamilla in Al-Jumayliyah (Aljumileh). Qatar, March 3, 2012
 A stone wall of Chateau Sur Mer from Shepard Avenue. Newport, Rhode Island, April 17, 2003.
 Abandoned stone wall in a forest near Lucy Little Road. Dartmouth, Massachusetts, January 28, 2004
 Golden lichen Xanthoria parietina on a stone in Pavlovsk Park. Pavlovsk, suburb of Saint Petersburg, Russia, July 31, 2024
 View of Fort Alexander (Plague) from Fort Constantine, Kronstadt. Saint Petersburg, Russia, June 21, 2011
 Rosette of crustose lichen Lecanora muralis (Protoparmeliopsis muralis) on a granite boulder on shore of Gvardeysky Island. Vyborg, Russia, July 20, 2024
 Close-up of crustose lichen Lecanora muralis (Protoparmeliopsis muralis) on a granite boulder on shore of Gvardeysky Island. Vyborg, Russia, July 20, 2024
 Elegant sunburst lichen Rusavskia elegans (formerly Xanthoria elegans) on a granite boulder on shore of Gvardeysky Island. Vyborg, Russia, July 20, 2024
 Texture of elegant sunburst lichen Rusavskia elegans (formerly Xanthoria elegans) on a granite shore of Gvardeysky Island. Vyborg, Russia, July 20, 2024
 Stone house of Ben Sweden in Ain Mohamed Fort near Al Areesh Road north from Zubara. Northern Qatar, December 12, 2014
 Ruins of Fort Pavel I (Risbank), view from Fort Constantine, Kronstadt. Saint Petersburg, Russia, June 21, 2011
 Abandoned stone wall in a forest near Lucy Little Road after snowfall. Dartmouth, Massachusetts, February 18, 2004
 Abandoned stone wall in a forest near Lucy Little Road after snowfall. Dartmouth, Massachusetts, February 18, 2004
 Abandoned stone wall in a forest near Lucy Little Road after snowfall. Dartmouth, Massachusetts, February 18, 2004
 Abandoned stone wall and a golf course in northern Fall River at evening. Massachusetts, March 9, 2003.
 Abandoned stone wall in a forest from Tattapanum Trail near Fall River, Massachusetts, January 18, 2003.
 Abandoned stone wall at Tattapanum Trail in northern Fall River. Massachusetts, March 1, 2003.
 Close-up of elegant sunburst lichen Rusavskia elegans (formerly Xanthoria elegans) on a granite boulder on shore of Gvardeysky Island. Vyborg, Russia, July 20, 2024
 Fort Pavel I (Risbank) with Lomonosov in background, view from Fort Constantine, Kronstadt. Saint Petersburg, Russia, June 21, 2011
 Stone house with narrow windows in Ain Mohamed Fort near Al Areesh Road north from Zubara. Northern Qatar, December 26, 2015
 Abandoned stone wall in a forest near Tattapanum Trail in northern Fall River. Massachusetts, October 15, 2004
 Abandoned stone wall west from Old Quarry in Freetown/Fall River State Forest. Massachusetts, May 24, 2003
 Round stone wall in a village of Al Mashrab in area of Ras Laffan Farms. Northern Qatar, October 18, 2014
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