Sven Zacek / Sunrise over bog with trees reflected in pool. Endla Nature Reserve, Jogevamaa, Central Estonia. October 2015.
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Sven Zacek / Mist over bog with conifers in pre-dawn light. Endla Nature Reserve, Jogevamaa, Central Estonia. June 2016.
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Sven Zacek / Frozen bog pool system, aerial view. Endla Nature Reserve, Jogevamaa, Central Estonia. December 2016.
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Sven Zacek / First ice on bog pool with trees reflected in water. Jogevamaa, Central Estonia. October 2015.
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Sven Zacek / Morning mist over bog scattered with trees. Endla Nature Reserve, Jogevamaa, Central Estonia. August 2015.
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Sven Zacek / Frozen bog pool system, aerial view. Endla Nautre Reserve, Jogevamaa, Central Estonia. December 2016.
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Sven Zacek / Hiking trail with boardwalk and viewing platform over frozen bog pools, aerial view. Endla Nature Reserve, Jogevamaa, Central Estonia. December 2016.
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Sven Zacek / Aerial view of a frozen bog pool system. Endla Nature Reserve, Jogevamaa, Central Estonia. December 2016.
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Sven Zacek / River Pedja and surrounding forests in autumn flood, aerial view. Alam-Pedja Nature Reserve, Jogevamaa, Central Estonia. October 2017.
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Sven Zacek / Fire damage in coniferous forest as a result of lightning strike in dry summer. Alam-Pedja Nature Reserve, Jogevamaa, Southern Estonia. August 2018.