Aerial drone footage flying over the surface of a frozen loch and reeds in a winter landscape on Rothiemurchus estate in Cairngorms National Park, Scotland with native pine and birch tree

icy loch loch lochan mor lake aviemore frozen water cairngorms national park winter landscape fresh water nature rewilding cairngorms national park hiking cold landscape frost snow snow covered mountains scotland mountains winter forest frosty ecology ground frost scottish highlands frozen trees scottish hills munro icy ice woodland rothiemurchus aerial drone footage common reed wild birch native woodland still drone hills scots pine hanging clouds pine sunrise habitat mosaic reveal pinus sylvestris betula pendula