Black-backed meadow ants (Formica pratensis) on nest mound of old grass stems in montane pastureland, Julian Alps, Slovenia, Europe

Black-backed meadow ant (Formica pratensis) nest mound of old grass stems in montane pastureland near Bled, Slovenia, Europe

Old town, UNESCO World Heritage Site, Dubrovnik, Croatia, Europe

Old pruned vine stalks in wine region of Bordeaux, France

Stumps of old pruned vine stalks in wine region of Bordeaux, France

Stumps of old pruned vine stalks in wine region of Bordeaux, France

Old pruned vine stalks in wine region of Bordeaux, France

Hands of a farmer holding a wooden handle, Bavaria, Germany, Europe

Close-up of a stone wall, Choquequirao, Inca, Cusco region, Peru

Light Micrograph (LM) of a longitudinal section showing xylem elements of old sunflower stem (Helianthus sp.) showing spiral chloroplasts, magnification x1200