 Smolka River(?) near the site of Slavensky Springs. Izborsk, Russia, August 8, 2004
 Sacred Slavensky Springs near the ancient fortress Izborsk. Russia, August 8, 2004
 The tower of Temnushka(?) of the ancient fortress Izborsk. Russia, August 8, 2004
 The tower of Lukovka of the ancient fortress Izborsk. Russia, August 8, 2004
 A post office in Izborsk, view from a tourist bus at rain. Russia, August 8, 2004
 Caves and springs on a bank of a creek in Rozhdestveno, 50 miles south from Saint Petersburg. Russia, August 22, 2004
 Water flow of Roshchinka River in Lindulovskaya Larch Grove near Roshchino, 30 miles north-west from Saint Petersburg. Russia, August 4, 2024
 Rapid flow of water around boulders in Roshchinka River in Lindulovskaya Larch Grove near Roshchino, 30 miles north-west from Saint Petersburg. Russia, August 4, 2024
 Resin flow on a trunk of a damaged pine when exposed to regular daylight as well as when illuminated by a 365 nm ultraviolet (UV-A) blacklight near Pole Creek on North Wilderness Trail of Little Lake Creek Wilderness in Sam Houston National Forest north from Montgomery. Texas, August 31, 2024
 Patterns of resin flow on a trunk of a damaged pine when exposed to regular daylight as well as when illuminated by a 365 nm ultraviolet (UV-A) blacklight near Pole Creek on North Wilderness Trail of Little Lake Creek Wilderness in Sam Houston National Forest north from Montgomery. Texas, August 31, 2024
 Yellowstone Lake and hot springs, view from Steamboat Point. Wyoming, July 24, 2010
 Khepoyarvi Lake in Toksovo, 10 miles north from Saint Petersburg. Russia, August 4, 2004
 Venus Pavilion and Beloe Lake in Gatchina, a suburb of Saint Petersburg. Russia, August 22, 2004
 Prior Palace and Chornoe Lake in Gatchina, a suburb of Saint Petersburg. Russia, August 22, 2004
 Prior Palace, view from Chornoe Lake in Gatchina, a suburb of Saint Petersburg. Russia, August 22, 2004
 Summer houses on Beloe Lake in Lembolovo, 30 miles north from Saint Petersburg. Russia, August 19, 2004
 Beloe Lake near Chesma Column in the park of Gatchina, a suburb of Saint Petersburg. Russia, August 22, 2004
 A small lake and pine forest south-east from Orekhovo, 30 miles north from Saint Petersburg. Russia, August 19, 2004
 Rapid flow of Roshchinka River in Lindulovskaya Reserve near Roshchino, 30 miles north-west from Saint Petersburg. Russia, May 28, 2021
 Turbulent flow of Roshchinka River in Lindulovskaya Reserve near Roshchino, 30 miles north-west from Saint Petersburg. Russia, May 28, 2021
 Rapid flow of Roshchinka River in Lindulovskaya Reserve near Roshchino, 30 miles north-west from Saint Petersburg. Russia, May 28, 2021
 Water flow of Roshchinka River in Lindulovskaya Reserve near Roshchino, 30 miles north-west from Saint Petersburg. Russia, May 28, 2021
 Stony beach with water springs in Solnechnoe, near Saint Petersburg. Russia, May 17, 2021
 Flow of Roshchinka River in Lindulovskaya Larch Grove, near Roshchino, 30 miles north-west from Saint Petersburg. Russia, July 31, 2017
 A fir forest north from Gorynskoe Lake near Lembolovo, 30 miles north from Saint Petersburg. Russia, August 19, 2004
 Flow of water of Roshchinka River in Lindulovskaya Larch Grove, near Roshchino, 30 miles north-west from Saint Petersburg. Russia, July 31, 2017
 Rapid flow of water around boulders in Roshchinka River in Lindulovskaya Reserve near Roshchino, 30 miles north-west from Saint Petersburg. Russia, May 28, 2021
 Rapid flow of Roshchinka River in Lindulovskaya Larch Grove, near Roshchino, 30 miles north-west from Saint Petersburg. Russia, July 31, 2017
 Water flow after a period of rains in Roshchinka River in Lindulovskaya Reserve near Roshchino, 30 miles north-west from Saint Petersburg. Russia, May 28, 2021
 Tough water flow of Roshchinka River after a period of rains in Lindulovskaya Reserve near Roshchino, 30 miles north-west from Saint Petersburg. Russia, May 28, 2021
 A road cut through glacier sand hills north from Gorynskoe Lake near Lembolovo, 30 miles north from Saint Petersburg. Russia, August 19, 2004
 Griaznovka River springs in Rozhdestveno Village. Gatchina District of Leningrad Region, Russia, January 6, 2016
 Springs in Maloe Zabrodye Village near Orzhitdy. Lomonosov Region of Leningrad District, Russia, January 4, 2016
 Red sandstone of Griaznovka River springs in Rozhdestveno Village. Gatchina District of Leningrad Region, Russia, January 6, 2016
 Tourists visiting springs in Gliadino Village near Ropsha. Lomonosov Region of Leningrad District, Russia, January 4, 2016
 Snowy fields near Griaznovka River springs in Rozhdestveno Village. Gatchina District of Leningrad Region, Russia, January 6, 2016
 Taughannock waterfall near Ithaca, with low water flow. New York, October 5, 2005
 Rapid flow of Wabash River. Heritage Trail from Lafayette to Fort Ouiatenon, Indiana, February 8, 1998.
 Springs at the end of Mishmar canyon, near Dead Sea. The Middle East, February 21, 2002
 Wind River from Hot Springs Park. Thermopolis, Wyoming, July 25, 2010
 A busy day in Varvarinskaya Church(?) in Pechory. Russia, August 8, 2004
 Rainbow Terraces in Hot Springs State Park. Thermopolis, Wyoming, July 23, 2010
 The Gatchina Palace at evening. Leningrad Region, Russia, August 22, 2004
 Construction workers, view from a tourist bus. Pskov, Russia, August 8, 2004
 Interior of Paromenskaya Church in Zavelichye. Pskov, Russia, August 8, 2004
 Liteiny Bridge at night. Saint Petersburg, Russia, August 4, 2004
 A yard near Podyacheskaya Street. Saint Petersburg, Russia, August 6, 2004
 Dvortsovy Bridge at night. Saint Petersburg, Russia, August 7, 2004
 Houses at Griboyedova Canal. Saint Petersburg, Russia, August 6, 2004
 A house on Voznesensky Prospekt. Saint Petersburg, Russia, August 6, 2004
 Cave of Pan and springs in Banias Park. Golan Heights, the Middle East, April 7, 2001
 I. Repin paintings in Russian Museum. Saint Petersburg, Russia, August 2, 2004
 Ayvazovsky painting in Russian Museum. Saint Petersburg, Russia, August 2, 2004
 G. I. Semiradsky painting in Russian Museum. Saint Petersburg, Russia, August 2, 2004
 A hall in Konstantinovsky Palace in Strelna. Saint Petersburg, Russia, August 3, 2004
 Interior of Leningrad House of Trade (DLT). Saint Petersburg, Russia, August 2, 2004
 A hall in Konstantinovsky Palace in Strelna. Saint Petersburg, Russia, August 3, 2004
 A passage to a yard near Podyacheskaya Street. Saint Petersburg, Russia, August 6, 2004
 Prior Palace in Gatchina, a suburb of Saint Petersburg. Russia, August 22, 2004
 Embossments on a house near Podyacheskaya Street. Saint Petersburg, Russia, August 6, 2004
 Pushkinskaya Subway Station (metro). Saint Petersburg, Russia, August 6, 2004
 Looking at C. Brullov(?) painting in Russian Museum. Saint Petersburg, Russia, August 2, 2004
 Grotto of Konstantinovsky Palace in Strelna. Saint Petersburg, Russia, August 3, 2004
 Gates of Alexander Nevsky Lavra. Saint Petersburg, Russia, August 9, 2004
 Military patrol in Pskov, view from a window of a tourist bus. Russia, August 8, 2004
 Interior of Trinity (Troitsky) Cathedral in Kremlin. Pskov, Russia, August 8, 2004
 Rozhdestveno church, 50 miles south from Saint Petersburg. Russia, August 22, 2004
 Academicheskay Subway Station (metro). Saint Petersburg, Russia, August 19, 2004
 Mikhaylovsky Palace and Moyka River. Saint Petersburg, Russia, August 23, 2004
 An apartment house at Olginskaya Naberezhnaya 4/1 in Zavelichye. Pskov, Russia, August 8, 2004
 A bridge across Fontanka River at night. Saint Petersburg, Russia, August 7, 2004
 Paromenskaya Church (Uspeniya s Paroma) in Zavelichye. Pskov, Russia, August 8, 2004
 Olginskaya Chapel recently built in Zavelichye. Pskov, Russia, August 8, 2004
 Night illumination of Mikhailovsky Castle. Saint Petersburg, Russia, August 7, 2004
 Part of the Kremlin wall near Velikaya River. Pskov, Russia, August 8, 2004
 - dayhike along North East Rim to Boot Springs (A trip to Big Bend Park, November 28, 1997, day and evening)
 - dayhike along North East Rim to Boot Springs (A trip to Big Bend Park, November 28, 1997, day and evening)
 - dayhike along North East Rim to Boot Springs (A trip to Big Bend Park, November 28, 1997, day and evening)
 - dayhike along North East Rim to Boot Springs (A trip to Big Bend Park, November 28, 1997, day and evening)
 - dayhike along North East Rim to Boot Springs (A trip to Big Bend Park, November 28, 1997, day and evening)
 - dayhike along North East Rim to Boot Springs (A trip to Big Bend Park, November 28, 1997, day and evening)
 - dayhike along North East Rim to Boot Springs (A trip to Big Bend Park, November 28, 1997, day and evening)
 - dayhike along North East Rim to Boot Springs (A trip to Big Bend Park, November 28, 1997, day and evening)
 - dayhike along North East Rim to Boot Springs (A trip to Big Bend Park, November 28, 1997, day and evening)
 - dayhike along North East Rim to Boot Springs (A trip to Big Bend Park, November 28, 1997, day and evening)
 - dayhike along North East Rim to Boot Springs (A trip to Big Bend Park, November 28, 1997, day and evening)
 - dayhike along North East Rim to Boot Springs (A trip to Big Bend Park, November 28, 1997, day and evening)
 Blue Hall of Konstantinovsky Palace in Strelna. Saint Petersburg, Russia, August 3, 2004
 Oredezh River near the dam in Rozhdestveno, 50 miles south from Saint Petersburg. Russia, August 22, 2004
 A yard near 14(?)-th Line in Vasilievsky Ostrov neighborhood. Saint Petersburg, Russia, August 2, 2004
 A yard near 12(?)-th Line in Vasilievsky Ostrov neighborhood. Saint Petersburg, Russia, August 2, 2004
 Marble Hall of Konstantinovsky Palace in Strelna. Saint Petersburg, Russia, August 3, 2004
 Engineers (Mikhailovsky) Castle at early morning. Saint Petersburg, Russia, August 7, 2004
 Fontanka River near crossing with Pestelia Street. Saint Petersburg, Russia, August 23, 2004
 Oredezh River in Siverskaya, 50 miles south from Saint Petersburg. Russia, August 22, 2004
 Pskov Kremlin, view from Zavelichye (from other side of Velikaya River). Russia, August 8, 2004
 A.S. on Fontanka River near crossing with Nevsky Prospekt. Saint Petersburg, Russia, August 23, 2004
 Institute of Robotics, view from Sosnovka Park. Saint Petersburg, Russia, August 24, 2004
 Humpy Bridge in the park of Gatchina, a suburb of Saint Petersburg. Russia, August 22, 2004
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