Ingo Arndt / Bark beetle (Scolytinae) galleries in dead spruce tree (Picea abies), Bayerischer Wald / Bavarian Forest National Park, Germany., June.

Orsolya Haarberg / Snow covered Norway spruce (Picea abies) trees at the treeline, Stubba Nature Reserve, Laponia, Sweden, February 2013.

Orsolya Haarberg / Snow covered Norway spruce (Picea abies) forest on Mount Harghita Madaras, Carpathian Mountains, Transylvania, Romania, January 2015.

Orsolya Haarberg / Norway spruce (Picea abies) trees covered in snow, Ciuc Mountains, Transylvania, Romania, January 2015.

Erlend Haarberg / Norway spruce trees (Picea abies) covered in snow and frost, at sunrise, Mellan-Stubba, Stubba Nature Reserve, Lapland, Sweden, February 2013.

Guy Edwardes / Norway Spruce (Picea abies) branch with cone, Dorset, England, UK.

Ann & Steve Toon / Norway spruce cones (Picea abies) showing one eaten by Red squirrel (Sciurus vulgaris), Kielder Forest, Northumberland, UK, October 2017

Erlend Haarberg / Frost- and snow-covered Norway spruce (Picea abies) forest. Muddus National Park, Laponia World Heritage Site, Swedish Lapland, Sweden.

Orsolya Haarberg / Frost- and snow-covered Norway spruce (Picea abies), forest. Muddus National Park, Laponia World Heritage Site, Swedish Lapland, Sweden.

Orsolya Haarberg / Mixed forest of Beech (Fagus syvatica) and Spruce (Picea abies) after a forest fire in August 2014. Belioara, Alba county, Transylvania, Romania. October 2011.

Orsolya Haarberg / Norway spruce (Picea abies), forest, Ciucas Mountains, Transylvania, Romania. October 2011.

Orsolya Haarberg / Snow- and frost-covered spruce (Picea abies) forest on the Madaras Harghita. Carpathian Mountains, Transylvania, Romania. October 2011.