 A. I. Sherstyuk in the lab of the former 16th Department of S. I. Vavilov State Optical Institute. The room is occupied by an atomic spectroscopy group. Vasilyevsky Island, Saint Petersburg, Russia, April 14, 1999.
 A. I. Sherstyuk among co-workers in the lab of the former 16th Department of S. I. Vavilov State Optical Institute. The room is occupied by an atomic spectroscopy group. Vasilyevsky Island, Saint Petersburg, Russia, April 14, 1999.
 A monument to a Soviet academician S. I. Vavilov (a brother of a well-known biologist executed for political reasons) in front of a new building of S. I. Vavilov State Optical Institute. The monument faces barbed wire surrounding the institute at Vasilyevsky Island. Saint Petersburg, Russia, April 14, 1999.
 Museum of S. I. Vavilov State Optical Institute, decorations on the ceiling (the room has reach interior because the building was expropriated from a wealthy family after the Great October Socialist Revolution). Vasilyevsky Island, Saint Petersburg, Russia, April 14, 1999.
 A new building of S. I. Vavilov State Optical Institute facing a restricted access extension of Bolshoi Prospect of Vasilyevsky Island. Saint Petersburg, Russia, April 14, 1999.
 Museum of S. I. Vavilov State Optical Institute with an old artistically decorated chimney and a Soviet-era exposition. The museum was settled in a former typewriting office (the room has reach interior because the building was expropriated from a wealthy family after the Great October Socialist Revolution). Vasilyevsky Island, Saint Petersburg, Russia, April 14, 1999.
 Museum of S. I. Vavilov State Optical Institute with an old artistically decorated chimney and a Soviet-era exposition. (the room has reach interior because the building was expropriated from a wealthy family after the Great October Socialist Revolution). Vasilyevsky Island, Saint Petersburg, Russia, April 14, 1999.
 Barbed wire surrounding huge restricted access territory of S. I. Vavilov State Optical Institute (attached to Defense Ministry) at an eastern part of Vasilyevsky Island. Saint Petersburg, Russia, April 14, 1999.
 A. V. Sergeev in his lab of the former 16th Department of S. I. Vavilov State Optical Institute. A chemical bottle is intended for watering a plant, it is labelled pit nelzya (don t drink in Russian). Vasilyevsky Island, Saint Petersburg, Russia, April 14, 1999.
 View of the rotunda of S. I. Vavilov State Optical Institute and Menshikovskiy Palace (?) from Angliyskaya Embankment. Saint Petersburg, Russia, April 13, 1999.
 A monument of S. I. Vavilov in front of State Optical Institute at Vasilievskiy Island. Sankt Petersburg, Russia, October 9, 2000
 A yard of State Optical Institute closed for public, at Vasilievskiy Island. Sankt Petersburg, Russia, October 9, 2000
 Neglected yard of State Optical Institute with posters commemorating its 80th anniversary, at Vasilievskiy Island. Sankt Petersburg, Russia, October 9, 2000
 Gorny Institute on 20-th Line of Vasilyevsky Island. Saint Petersburg, Russia, May 16, 2015
 View of the Hermitage and Strelka of Vasilyevsky Island from Kronverkskaya Embankment. Saint Petersburg, Russia, April 6, 1999.
 View of Vasilyevsky Island Strelka (extremity) from Dvortsovaya Embankment. Saint Petersburg, Russia, April 13, 1999.
 Repin Street on Vasilyevsky Island paved by cobble-stones. Saint Petersburg, Russia, April 14, 1999.
 Repin Street on Vasilyevsky Island. People are walking from Sredniy Prospect. Saint Petersburg, Russia, April 14, 1999.
 A. I. Sherstyuk s home in Saint Petersburg, Russia, April 21, 1999.
 Decaying plaster on a building of 4th Central Research Institute of the Russian Ministry of Defense facing Fontanka River opposite to Summer Garden. Saint Petersburg, Russia, April 13, 1999.
 Kunstkamera Museum on Vasilyevsky Ostrov. Saint Petersburg, Russia, February 1, 2000
 A.S. at 52 Bolshoy Prospect of Vasilyevsky Island. Saint Petersburg, Russia, May 16, 2015
 Modern painting with portraits of Soviet leaders in Erarta Museum of Contemporary Art. Saint Petersburg, Russia, May 6, 2021
 Passage at 64 Bolshoy Prospect of Vasilyevsky Island. Saint Petersburg, Russia, May 16, 2015
 Bolshoy Prospect of Vasilyevsky Island. Saint Petersburg, Russia, February 1, 2000
 Street corner of 12-th Line of Vasilyevsky Island. Saint Petersburg, Russia, May 16, 2015
 Brusnitsyn Mansion at 32 Kozhevennaya Line of Vasilyevsky Island. Saint Petersburg, Russia, May 16, 2015
 Entrance of a house near 52 Bolshoy Prospect of Vasilyevsky Island. Saint Petersburg, Russia, May 16, 2015
 Spit of Vasilyevsky Island from Palace Embankment. Saint Petersburg, Russia, December 16, 2016
 Neva River and Vasilyevsky Ostrov from a window of Hermitage museum. Saint Petersburg, Russia, August 14, 2007
 View of Vasilyevsky Island from a ship heading from Peterhof to Saint Petersburg. Russia, September 20, 2002
 City tour near Brusnitsyn Mansion at 32 Kozhevennaya Line of Vasilyevsky Island. Saint Petersburg, Russia, May 16, 2015
 Sredniy Prospect of Vasilyevsky Island, opposite to the subway station. Saint Petersburg, Russia, February 1, 2000
 Rostral Column on a spit of Vasilyevsky Island from Palace Embankment. Saint Petersburg, Russia, December 16, 2016
 Entrance to Petersburg University and Mendeleev Museum from Universitetskaya Embankment. Saint Petersburg, Russia, April 13, 1999.
 Church of Dormition of the Mother of God (former scating rink) on Leytenanta Shmidta Embankment of Vasilyevsky Island. Saint Petersburg, Russia, May 16, 2015
 Rostral Column and Stock Exchange on a spit of Vasilyevsky Island from Palace Embankment. Saint Petersburg, Russia, December 16, 2016
 A.S. near a monument of Russian revolutioner Vladimir Lenin in front of Administration Building of Vasilyevsky Island. Saint Petersburg, Russia, May 16, 2015
 Founders Park at Purdue University, West Lafayette IN, 20 June, 1999.
 Interior of church of Dormition of the Mother of God (former scating rink) on Leytenanta Shmidta Embankment of Vasilyevsky Island. Saint Petersburg, Russia, May 16, 2015
 Founders Park in Purdue University. West Lafayette, Indiana, September 21, 1999.
 Museum in a recently renovated Savior on Blood Church at Griboedova Canal. Saint Petersburg, Russia, April 13, 1999.
 Tourist guide Sergey Babushkin near a monument of Russian revolutioner Vladimir Lenin in front of Administration Building of Vasilyevsky Island. Saint Petersburg, Russia, May 16, 2015
 A.S., A. I. Sherstyuk. Saint Petersburg, Russia, October 22(?), 2000
 A.S., ..., A. I. Sherstyuk. Saint Petersburg, Russia, October 22(?), 2000
 Deteriorated mushroom embossment on a museum building in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, March 2, 2017
 Water tower (1930-1931) of Red Nailmaker Factory ("Krasny Gvozdilshchik" steel-rolling factory) on Masliany Kanal of Vasilyevsky Island. Saint Petersburg, Russia, May 16, 2015
 A. I. Sherstyuk in Repino boarding house, 20 miles north from Saint Petersburg. Russia, January 31, 2000
 Small white flowers of dwarf snapdragon (Chaenorhinum minus) on stone steps of botanical institute in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, July 2, 2016
 Pipeline Trail in a park of Institute for Advanced Study (Institute Woods). Princeton, New Jersey, April 30, 2007
 Red shoots of peony in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, April 2, 2017
 Shoot of a tulip in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, April 2, 2017
 Mottled leaves in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, April 29, 2017
 Blue hyacinths(?) in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, April 12, 2017
 Reddish bud on a bush in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, April 21, 2017
 Maple alley in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, April 2, 2017
 Rosettes of primrose in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, April 21, 2017
 Blooming hazelnut in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, April 21, 2017
 Wooden land art in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, April 2, 2017
 Various first spring flowers in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, April 12, 2017
 Various blue flowers in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, April 29, 2017
 Red shoots of peony in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, April 21, 2017
 River s Edge Trail in a park of Institute for Advanced Study (Institute Woods). Princeton, New Jersey, April 30, 2007
 A trail in area of beech stand in a park of Institute for Advanced Study (Institute Woods). Princeton, New Jersey, April 30, 2007
 Pasque flower (Pulsatilla) in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, April 21, 2017
 Symplocarpus renifolius (Araceae) in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, April 21, 2017
 Blooming mat of Saxifraga juniperifolia in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, April 12, 2017
 Symplocarpus renifolius (Araceae) in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, April 29, 2017
 Corky bark of a tree in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, April 2, 2017
 Red flowers of fumewort (Corydalis) in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, April 29, 2017
 Pasque flower (Pulsatilla) in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, April 29, 2017
 Some succulent rosettes in sand in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, April 29, 2017
 Emerging leaves of anemone in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, April 12, 2017
 Emerging red peony shoots in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, April 12, 2017
 Wooden sculpture Rowers in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, April 2, 2017
 Crocus chrysanthus Marietta in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, April 12, 2017
 Shoots of Columbine (Aquilegia)(?) in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, April 29, 2017
 Saxifrage on alpine hills in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, April 2, 2017
 Snowdrops (Galanthus alpinus) in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, April 12, 2017
 Blue crocus flowers in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, April 12, 2017
 Blue crocus flowers in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, April 29, 2017
 Hens and chicks (Sempervivum) in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, April 12, 2017
 Bark of a large poplar in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, April 2, 2017
 Blue crocus flowers in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, April 12, 2017
 Some fresh wrinked leaves in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, April 12, 2017
 Pink shoots of stonecrop in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, April 29, 2017
 Rosettes of fresh leaves in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, April 12, 2017
 Clusters of some yellow flowers in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, April 12, 2017
 Mosses on alpine hills in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, April 2, 2017
 Spanish sandwort (Arenaria tetraquetra) in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, April 29, 2017
 Yellow flowers of Saxifraga juniperifolia in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, April 12, 2017
 Snowdrop flowers (Galanthus nivalis) in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, April 2, 2017
 Blooming Hepatica (Pechonochnitsa in Russian) in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, April 29, 2017
 Mishchenko squill (Scilla mischtschenkoana) in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, April 2, 2017
 Blue flowers of lily family in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, April 29, 2017
 Reddish leaves on alpine hill in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, April 21, 2017
 Blue crocus flower buds in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, April 12, 2017
 Mishchenko squill (Scilla mischtschenkoana) in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, April 12, 2017
 White flowers of snowdrops (Galanthus) in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, April 12, 2017
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