 Marble rocks near a quarry in Ruskeala Mountain Park. Karelia, Russia, September 19, 2015
 Rocks of abandoned marble quarry in Ruskeala Mountain Park. Karelia, Russia, September 19, 2015
 Marble fragments in abandoned marble quarry in Ruskeala Mountain Park. Karelia, Russia, September 19, 2015
 Abandoned marble quarry in Ruskeala Mountain Park. Karelia, Russia, September 19, 2015
 Marble cliffs near a quarry in Ruskeala Mountain Park. Karelia, Russia, September 19, 2015
 Northern part of Marble Lake (inundated marble quarry) in Ruskeala Park. Karelia, Russia, September 19, 2015
 View from western shore of Marble Lake (inundated marble quarry) in Ruskeala Park. Karelia, Russia, September 19, 2015
 Fall colors at northern part of Marble Lake (inundated marble quarry) in Ruskeala Park. Karelia, Russia, September 19, 2015
 Cliffs near a quarry in Ruskeala Mountain Park. Karelia, Russia, September 19, 2015
 Inundated marble grotto in Ruskeala Mountain Park. Karelia, Russia, September 19, 2015
 View from southern shore of an inundated quarry in Ruskeala Park. Karelia, Russia, September 19, 2015
 Ahvenkoski Waterfalls A Zori Zdes Tikhie near Ruskeala. Karelia, Russia, September 19, 2015
 Forest on rocks beside Monastyrsky Island, on Valaam Island. Karelia Region, Russia, July 23, 2015
 Granite rocks beside Monastyrsky Island, on Valaam Island. Karelia Region, Russia, July 23, 2015
 Rocks south-east from Nikolsky Island, on Valaam Island. Karelia Region, Russia, July 23, 2015
 Bank of Finland (Suomen Pankki) office building built in 1915 by architect Uno Werner Ullberg, now National Bank of the Republic of Karelia. Sortavala (Karelia), Russia, September 19, 2015
 View of Nikolsky Island from rocks beside Monastyrsky Island, on Valaam Island. Karelia Region, Russia, July 23, 2015
 Knotted pearlwort (Sagina nodosa, Russian name Mshanka) on rocks south-east from Nikolsky Island, on Valaam Island. Karelia Region, Russia, July 23, 2015
 Sandblasted rocks in area of Nakhsh Mountain near Salwa Road in southern Qatar, May 8, 2015
 Field of weathered rocks in area of Nakhsh Mountain near Salwa Road in southern Qatar, May 8, 2015
 Field of sandblasted rocks in area of Nakhsh Mountain near Salwa Road in southern Qatar, May 8, 2015
 Gypsum rocks (selenite) in area of Nakhsh Mountain near Salwa Road in southern Qatar, May 8, 2015
 Weathered limestone rocks in area of Nakhsh Mountain near Salwa Road in southern Qatar, May 8, 2015
 Wind abrasion of rocks in area of Nakhsh Mountain near Salwa Road in southern Qatar, May 8, 2015
 Kirova Street. Sortavala (Karelia), Russia, September 19, 2015
 Old house at 13 Sovietskaya Street. Sortavala (Karelia), Russia, September 19, 2015
 Garden near Zavodskaya Street. Sortavala (Karelia), Russia, September 19, 2015
 Sovetskaya Street after a rain. Sortavala (Karelia), Russia, September 19, 2015
 White cat at 10 Karelskaya Street. Sortavala (Karelia), Russia, September 19, 2015
 Fountain of Kirova Square. Sortavala (Karelia), Russia, September 19, 2015
 View from Zavodskaya (Factory) Street. Sortavala (Karelia), Russia, September 19, 2015
 Wooden house at 13 Sovietskaya Street. Sortavala (Karelia), Russia, September 19, 2015
 Garages at south-east end of Sovetskaya Street. Sortavala (Karelia), Russia, September 19, 2015
 Fire Station from a corner of Karelskaya and Vyaynemyaynena streets. Sortavala (Karelia), Russia, September 19, 2015
 Garages near Sovetskikh Kosmonavtov (Soviet Cosmonauts) Street. Sortavala (Karelia), Russia, September 19, 2015
 Old railroad service building at 3 Vtoraya Pristanskaya Street. Sortavala (Karelia), Russia, September 19, 2015
 City Library (old Town Hall, 1885) at 18 Lenin Street. Sortavala (Karelia), Russia, September 19, 2015
 Marble Bridge from east in Catherine Park. Pushkin (former Tsarskoe Selo), south from Saint Petersburg, Russia, September 24, 2015
 Marble Bridge from north in Catherine Park. Pushkin (former Tsarskoe Selo), south from Saint Petersburg, Russia, September 24, 2015
 Large quarry in Kuzmolovo, north from Saint Petersburg. Russia, August 23, 2018
 Marble Bridge at Great Pond in Catherine Park. Pushkin (former Tsarskoe Selo), south from Saint Petersburg, Russia, September 24, 2015
 Marble Bridge of Great Pond in Catherine Park. Pushkin (former Tsarskoe Selo), south from Saint Petersburg, Russia, September 24, 2015
 Empty Island in Catherine Park, near Marble Bridge. Pushkin (former Tsarskoe Selo), south from Saint Petersburg, Russia, September 24, 2015
 Great Pond in Catherine Park, near Marble Bridge. Pushkin (former Tsarskoe Selo), south from Saint Petersburg, Russia, September 24, 2015
 Kaymanova Street near a corner with Zavodskaya Street. Sortavala (Karelia), Russia, September 19, 2015
 View of large quarry in Kuzmolovo, north from Saint Petersburg. Russia, August 23, 2018
 Former Sortavala Lyceum (Johan Jacob Ahrenberg, 1901). Sortavala (Karelia), Russia, September 19, 2015
 Reflections of Marble Bridge in Great Pond in Catherine Park. Pushkin (former Tsarskoe Selo), south from Saint Petersburg, Russia, September 24, 2015
 Prismatic rocks in High Mountain Park. Paterson, New Jersey, March 25, 2007
 Monument of Russian communist revolutionary Vladimir Ilyich Ulyanov (Lenin) (2010) in a public garden near Town Hall. Sortavala (Karelia), Russia, September 19, 2015
 Fall colors around Marble Bridge of Great Pond in Catherine Park. Pushkin (former Tsarskoe Selo), south from Saint Petersburg, Russia, September 24, 2015
 Fall foliage around Marble Bridge in Great Pond in Catherine Park. Pushkin (former Tsarskoe Selo), south from Saint Petersburg, Russia, September 24, 2015
 Marble Bridge and Empty Island in Great Pond in Catherine Park. Pushkin (former Tsarskoe Selo), south from Saint Petersburg, Russia, September 24, 2015
 Marble sarcophagus in Novodevichye Cemetery at Moskovskiy Prospekt. Saint Petersburg, Russia, September 22, 2015
 Partraits on a marble sarcophagus in Novodevichye Cemetery at Moskovskiy Prospekt. Saint Petersburg, Russia, September 22, 2015
 Marble sculpture near Sun Fountain in Lower Gardens. Peterhof (Petrodvorets), a suburb of Saint Petersburg. Russia, September 28, 2015
 Headless marble sculpture in a mausoleum in Novodevichye Cemetery at Moskovskiy Prospekt. Saint Petersburg, Russia, September 22, 2015
 Marble angel in a stone mausoleum in Novodevichye Cemetery at Moskovskiy Prospekt. Saint Petersburg, Russia, September 22, 2015
 Orange spots on leaves of mountain ash caused by mountain ash-juniper rust fungus (Gymnosporangium cornutum) in Petiayarvi, north from Saint Petersburg. Russia, July 17, 2015
 Marble sculpture on a tomb of Tusenka Sheffel in Novodevichye Cemetery at Moskovskiy Prospekt. Saint Petersburg, Russia, September 22, 2015
 Remains of marble figures in a stone mausoleum in Novodevichye Cemetery at Moskovskiy Prospekt. Saint Petersburg, Russia, September 22, 2015
 Marble Fountain of Private Garden near Catherine Palace. Pushkin (former Tsarskoe Selo), south from Saint Petersburg, Russia, September 24, 2015
 Marble Fountain and nymphs of Private Garden near Catherine Palace. Pushkin (former Tsarskoe Selo), south from Saint Petersburg, Russia, September 24, 2015
 Rocks and El Capitan Mountain from a trail near Guadalupe Spring in Guadalupe Mountains National Park. Texas, December 27, 2007
 A park opposite to Laborer s House of Valaam Monastery, on Valaam Island. Karelia Region, Russia, July 23, 2015
 Chess Mountain Cascade in Lower Gardens. Peterhof (Petrodvorets), a suburb of Saint Petersburg. Russia, September 28, 2015
 Golden Mountain Cascade in Lower Gardens. Peterhof (Petrodvorets), a suburb of Saint Petersburg. Russia, September 28, 2015
 Dumpling Rocks, or "House on the Rocks" and Newport Bridge in East Passage of Narragansett Bay, view from a ferry. Rhode Island, September 5, 2004
 Resupinate polypore mushroom covering large area on bark of a fallen mountain ash in Tarkhovka Park, west from Saint Petersburg. Russia, May 10, 2021
 Fountains of Golden Mountain Cascade in Lower Gardens. Peterhof (Petrodvorets), a suburb of Saint Petersburg. Russia, September 28, 2015
 Patches of resupinate polypore mushroom covering large area on bark of a fallen mountain ash in Tarkhovka Park, west from Saint Petersburg. Russia, May 10, 2021
 A church of Skete of St. Nicolas the Wonder-Worker, on Valaam Island. Karelia Region, Russia, July 23, 2015
 Mountain goat standing on rocks of northern tip of Haloul Island (Jazirat Halul). Qatar, April 19, 2013
 Interior of a church of Skete of St. Nicolas the Wonder-Worker, on Valaam Island. Karelia Region, Russia, July 23, 2015
 Wooden bridge to Skete of St. Nicolas the Wonder-Worker, on Valaam Island. Karelia Region, Russia, July 23, 2015
 Mountain goat standing on gypsum rocks of northern tip of Haloul Island (Jazirat Halul). Qatar, April 19, 2013
 Spring flowers on rocks of Negev Desert, on a mountain ridge behind Yeroham reservoir. The Middle East, March 8, 2001
 Aerodynamically eroded rocks on a tabletop mountain in Maszhabiya (Al Mashabiya) Reserve near Abu Samra. Southern Qatar, June 25, 2016
 Weathered pedestal rocks at the top of Freshman Mountain. Enchanted Rock State Natural Area, Fredericksburg, Texas, December 25, 2018
 Spring flowers among rocks in a riverbed near a trail descending from a mountain ridge to Yeroham reservoir. The Middle East, March 8, 2001
 Warning "Entrance only for Blessed" in a forest at Main Monastery Road, on Valaam Island. Karelia Region, Russia, July 23, 2015
 Aerodynamically eroded rocks (wind abrasion) on a tabletop mountain in Maszhabiya (Al Mashabiya) Reserve near Abu Samra. Southern Qatar, June 25, 2016
 Granite rocks in Monrepo Park. Vyborg, Russia, September 1, 2007
 Aerodynamically eroded limestone rocks (wind abrasion) on a tabletop mountain in Maszhabiya (Al Mashabiya) Reserve near Abu Samra. Southern Qatar, June 25, 2016
 Rocks on a slope of Freshman Mountain east from Turkey Pass Trail in Enchanted Rock State Natural Area. Fredericksburg, Texas, October 27, 2007
 Cemetery of Valaam Monastery, on Valaam Island. Karelia Region, Russia, July 23, 2015
 Southern side of Nikolsky Island, on Valaam Island. Karelia Region, Russia, July 23, 2015
 Western side of Nikolsky Island, on Valaam Island. Karelia Region, Russia, July 23, 2015
 Pine forest on Monastyrsky Island, on Valaam Island. Karelia Region, Russia, July 23, 2015
 Brown cat near the entrance of Valaam Monastery, on Valaam Island. Karelia Region, Russia, July 23, 2015
 Eastern side of Nikolsky Island, on Valaam Island. Karelia Region, Russia, July 23, 2015
 Monastyrskaya Bay from southern side of Nikolsky Island, on Valaam Island. Karelia Region, Russia, July 23, 2015
 View to the north from a shrine on Nikolsky Island, on Valaam Island. Karelia Region, Russia, July 23, 2015
 Some yellow flowers in Lower Garden of Valaam Monastery, on Valaam Island. Karelia Region, Russia, July 23, 2015
 Entrance of Saviour Transfiguration Cathedral of Valaam Monastery, on Valaam Island. Karelia Region, Russia, July 23, 2015
 Interior of Saviour Transfiguration Cathedral of Valaam Monastery, on Valaam Island. Karelia Region, Russia, July 23, 2015
 View of Saviour Transfiguration Cathedral of Valaam Monastery, on Valaam Island. Karelia Region, Russia, July 23, 2015
 Zigzag cliff-brake fern (Pellaea ovata) in shade of big rocks on Freshman Mountain in Enchanted Rock State Natural Area. Fredericksburg, Texas, December 25, 2018
 Domed hall of Saviour Transfiguration Cathedral of Valaam Monastery, on Valaam Island. Karelia Region, Russia, July 23, 2015
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