Wild Frontiers
photography by Hans Wolkers
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Travel and nature photos
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Alaska Coast Fall
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Mono Lake
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> Europe North
Svalbard Icy Landscapes
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Norway Winter
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Iceland Inland
European Bison
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> Europe South
The Netherlands National Park
Croatia
Lanzarote
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La Palma Bloom
Destroyed village WWII
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Ground Zero
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Japan Swans
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Indonesia Marine life
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Madagascar Lemurs
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Industrial and science photos
> Industrial
Abandoned mine
Steel Car Parts Production
Wastewater Treatment
Dairy cows and poultry
Viniculture in The Netherlands
From Egg to Egg Powder
The Making of Goat Cheese
Agricultural Plants
Biodegradable Plant Pots
> Science
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Mono Lake
