 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
 Stony beach of Vyborg Bay near Stony Trail (Kamenistaya Tropa) in Kivi Park south from Chulkovo, west from Vyborg. Russia, July 27, 2024
 Granite boulders in Vyborg Bay near Stony Trail (Kamenistaya Tropa) in Kivi Park south from Chulkovo, west from Vyborg. Russia, July 27, 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
 Large 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
 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
 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
 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
 Stone ruins on Tverdysh Island. Vyborg, Russia, June 23, 2017
 Shores of Gvardeysky Island. Vyborg, Russia, July 20, 2024
 A house at 40 Geroev Street in Gvardeysky Island. Vyborg, Russia, July 20, 2024
 View of Vyborg Castle from a bridge of Petrovskaya Naberezhnaya to the west. Vyborg, Russia, September 14, 2013
 Commandant House with gates, fortress bridge, yacht marina, and Tervaniemen puisto Park with city archive west from Saint Olaf Tower of Vyborg Castle. Vyborg, Russia, May 27, 2011
 Various crustose lichens 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
 Physcia lichen on a granite boulder on 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
 Brown crustose lichen on a granite shore of Gvardeysky Island. Vyborg, Russia, July 20, 2024
 Texture of green moss on granite shore of Gvardeysky Island. Vyborg, Russia, July 20, 2024
 Commandant House with gates, fortress bridge, yacht marina, and Tervaniemen puisto Park with city archive and old powder bunker west from St. Olaf Tower of Vyborg Castle. Vyborg, Russia, June 7, 2009
 Ruins of Old Cathedral at 6 Storozhevoy Bashni Street. Vyborg, Russia, August 5, 2024
 Castle Bridge and Sea Port south from St. Olaf Tower of Vyborg Castle. Vyborg, Russia, February 14, 2013
 Close-up of rosette lichen Physcia on a granite shore of Gvardeysky Island. Vyborg, Russia, July 20, 2024
 Xanthoparmelia and Rhizocarpon geographicum lichens 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
 Ruins of old Mary and Olaf Cathedral (1494) north-west from Clock Tower, with Saint Olaf Tower of Vyborg Castle in background. Vyborg, Russia, June 7, 2009
 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
 Yellow map lichen (Rhizocarpon geographicum) on a granite boulder on shore of Gvardeysky Island. 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
 Rosette of yellow map lichen (Rhizocarpon geographicum) on a granite boulder on shore of Gvardeysky Island. Vyborg, Russia, July 20, 2024
 Ruins of Old City from St. Olaf Tower of Vyborg Castle. Vyborg, Russia, February 14, 2013
 Yacht Harbor and Castle Bridge north-west from St. Olaf Tower of Vyborg Castle. Vyborg, Russia, February 14, 2013
 Circular round patch of yellow map lichen (Rhizocarpon geographicum) on a granite boulder on shore of Gvardeysky Island. Vyborg, Russia, July 20, 2024
 Ruins of Administration Building, flagstaff and Officers Row in Camp Reynolds (West Garrison) near Perimeter Road in Angel Island State Park near San Francisco. Tiburon, California, March 15, 2024
 Old City south-west from Saint Olaf Tower of Vyborg Castle. Vyborg, Russia, May 27, 2011
 Ruins at 15 Krepostnaya Street from an observation platform at 11 Krasina Street. Vyborg, Russia, August 5, 2024
 Elegant sunburst lichen Rusavskia elegans (formerly Xanthoria elegans) on a granite boulder on shore of Gvardeysky Island. Vyborg, Russia, July 20, 2024
 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
 Texture of elegant sunburst lichen Rusavskia elegans (formerly Xanthoria elegans) on a granite shore of Gvardeysky Island. Vyborg, Russia, July 20, 2024
 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
 Yellow map lichen (Rhizocarpon geographicum) and another crustose yellow lichen on a granite boulder on shore of Gvardeysky Island. Vyborg, Russia, July 20, 2024
 Vyborg Castle from Petrovsky Bridge. Vyborg, Russia, June 21, 2014
 Vyborg Castle from a bridge of Petrovskaya Naberezhnaya to the east. Vyborg, Russia, September 14, 2013
 Vyborg Castle with Saint Olaf Tower from Petrovsky Bridge. Vyborg, Russia, June 21, 2014
 Old City and south harbor terminal south from St. Olaf Tower of Vyborg Castle. Vyborg, Russia, June 7, 2009
 Stone ruins near Slavianka River in Pavlovsk Park near Tiarlevo. South from Saint Petersburg, Russia, July 21, 2012
 Small rocky island south-east from Nikolsky Island, on Valaam Island. Karelia Region, Russia, July 23, 2015
 Empty Island in Catherine Park, near Marble Bridge. Pushkin (former Tsarskoe Selo), south from Saint Petersburg, Russia, September 24, 2015
 Schomer Cove and Richmond Bridge from North Ridge Trail in Angel Island State Park near San Francisco. Tiburon, California, March 15, 2024
 Ruins of Fourth Wing of the prison in Shlisselburg Fortress. Orekhovy Island, Leningradskaya Region, Russia, July 27, 2012
 A suspension bridge across Stony Brook in the park of Institute for Advanced Studies. Princeton, New Jersey, March 29, 2007
 World War II memorial inside Cathedral ruins in Shlisselburg Fortress. Orekhovy Island, Leningradskaya Region, Russia, July 27, 2012
 Marble Bridge and Empty Island in Great Pond in Catherine Park. Pushkin (former Tsarskoe Selo), south from Saint Petersburg, Russia, September 24, 2015
 A turtle on Stony Brook trail in Stony Brook - Millstone Watershed Main Reserve. Pennington, New Jersey, April 28, 2007
 Blue violets on Stony Brook trail in Stony Brook - Millstone Watershed Main Reserve. Pennington, New Jersey, April 28, 2007
 Emerging may apple on Stony Brook trail in Stony Brook - Millstone Watershed Main Reserve. Pennington, New Jersey, April 28, 2007
 Petrovskaya Embankment and Castle Bridge north from St. Olaf Tower of Vyborg Castle. Vyborg, Russia, February 14, 2013
 Third South Pond from a bridge on Elagin Island. Saint Petersburg, Russia, October 5, 2016
 Yellow trout lily on Stony Brook trail in Stony Brook - Millstone Watershed Main Reserve. Pennington, New Jersey, April 28, 2007
 Ruins at 15 Krepostnaya Street. Vyborg, Russia, June 21, 2014
 Stone ruins at Parkovaya Street in Vyborg. Russia, May 24, 2019
 Pine forest on Leninskaya Tropa Trail between Dibuny and Razliv Lake, north-west from Saint Petersburg. Russia, May 24, 2021
 Pine trunks on Leninskaya Tropa Trail between Dibuny and Razliv Lake, north-west from Saint Petersburg. Russia, May 24, 2021
 Vyborg Castle from a bridge of Petrovskaya Naberezhnaya, near Naberezhnaya 40 Let Komsomola. Vyborg, Russia, September 14, 2013
 Ruins near Sablino Train Station, 30 miles south from Saint Petersburg. Russia, July 29, 2012
 View from a bridge between 3-rd and 4-th South Ponds on Elagin Island. Saint Petersburg, Russia, October 7, 2017
 View from a bridge between 3-rd and 4-th South Ponds on Elagin Island. Saint Petersburg, Russia, October 5, 2016
 Brick ruins at Bankovsky Proezd in old city of Vyborg. Russia, May 24, 2019
 Ruins of Dome Cathedral (old city church). Vyborg, Russia, May 27, 2011
 Ruins between Krasnoarmeyskaya and Krasina streets. Vyborg, Russia, June 21, 2014
 Ruins of a factory at 20a Morskaya Naberezhnaya. Vyborg, Russia, June 21, 2014
 Sunset Trail around Mount Livermore with Oakland Bridge and San Francisco City in background in Angel Island State Park near San Francisco. Tiburon, California, March 15, 2024
 Rocks south-east from Nikolsky Island, on Valaam Island. Karelia Region, Russia, July 23, 2015
 Small inkcap (Coprinopsis) mushroom on roadside on Leninskaya Tropa Trail between Dibuny and Razliv Lake, north-west from Saint Petersburg. Russia, May 24, 2021
 Green amorphous lichen Cladonia under pines on Leninskaya Tropa Trail between Dibuny and Razliv Lake, north-west from Saint Petersburg. Russia, May 24, 2021
 Slope of Mount Livermore, Oakland Bridge and Financial District in San Francisco from Sunset Trail in Angel Island State Park near San Francisco. Tiburon, California, March 15, 2024
 Oakland Bridge and city of San Francisco from North Ridge Trail in area of Mount Livermore in Angel Island State Park near San Francisco. Tiburon, California, March 15, 2024
 Old City south-east from St. Olaf Tower of Vyborg Castle. Vyborg, Russia, June 7, 2009
 View to south-east from St. Olaf Tower of Vyborg Castle. Vyborg, Russia, February 14, 2013
 Vyborg Castle from south. Vyborg, Russia, February 14, 2013
 Powder bunker of Vyborg Fortress. Russia, July 20, 2024
 Ammunition storehouse in a cave near Vyborg. Russia, July 20, 2024
 Chinese Bridge in Monrepo park. Vyborg, Russia, August 12, 2012
 Oakland Bridge and Financial District in San Francisco from North Ridge Trail in area of Mount Livermore in Angel Island State Park near San Francisco. Tiburon, California, March 15, 2024
 Slopes of Mount Livermore with Oakland Bridge and San Francisco City in background from North Ridge Trail in Angel Island State Park near San Francisco. Tiburon, California, March 15, 2024
 Jelly fungus Exidia saccharina(?) on a fallen spruce on Leninskaya Tropa Trail between Dibuny and Razliv Lake, north-west from Saint Petersburg. Russia, May 24, 2021
 Common mazegill mushroom (Cerioporus mollis) on a dry branch on Leninskaya Tropa Trail between Dibuny and Razliv Lake, north-west from Saint Petersburg. Russia, May 24, 2021
 Green amorphous lichen Cladonia in a dry pine forest on Leninskaya Tropa Trail between Dibuny and Razliv Lake, north-west from Saint Petersburg. Russia, May 24, 2021
 Oyster mushrooms Pleurotus calyptratus on an aspen branch on Leninskaya Tropa Trail between Dibuny and Razliv Lake, north-west from Saint Petersburg. Russia, May 24, 2021
 Interior of a small granite cave near Vyborg. Russia, July 20, 2024
 Gate of a powder bunker of Vyborg Fortress. Russia, July 20, 2024
 Stony beach of Gulf of Finland in Tarkhovka Park near Sestroretsk, west from Saint Petersburg. Russia, September 22, 2017
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