Church of Saint Pantalon, snow covered town centre and mountainous background in winter at dusk, Courmayeur, Aosta Valley, Italian Alps, Italy

Church of Saint Pantalon and snow covered town centre and mountainous background in winter at dusk, Courmayeur, Aosta Valley, Italian Alps, Italy

View of snow covered mountains, rooftops and Church of Saint Pantalon in Courmayeur in winter, Courmayeur, Aosta Valley, Italian Alps, Italy

View of Church of Saint Pantalon in Piazza Abbe Henry at dusk, Courmayeur, Aosta Valley, Italian Alps, Italy

View of snow covered mountains, rooftops and Church of Saint Pantalon in Courmayeur in winter, Courmayeur, Aosta Valley, Italian Alps, Italy

View of snow covered mountains, rooftops and Church of Saint Pantalon in Courmayeur in winter, Courmayeur, Aosta Valley, Italian Alps, Italy

View of snow covered mountains, rooftops and Church of Saint Pantalon in Courmayeur in winter, Courmayeur, Aosta Valley, Italian Alps, Italy

The traditional Vatican guards in St Peter's Square in Vatican City in their ornate yellow blue and red uniforms

Two hikers at bivouac at Passo Canfinal (Passo Confinal), Bivacco Rasconi e Anghileri, peak Piz Roseg in background, Bernina range, Italy

Rock climber rapelling down from an overhang of the summit of Kampenwand, view towards Tyrol, Chiemgau, Upper Bavaria, Bavaria, Germany

Deeply snow-covered scene with fir trees at Schildenstein with backcountry skier in backlight, Bavarian alps, Tegernsee, Upper Bavaria, Bavaria, Germany

Cross on summit of Schlenken with rime ice, view to Berchtesgaden range, Salzkammergut, Salzburg, Austria

Three mountaineerers descending from summit of Munt Pers with view to Piz Palue and glacier of Pers, Pontresina, St. Moritz, Bernina, Oberengadin, Grisons, Switzerland

Cornices and snow-covered fir trees with backcountry skiier at Schildenstein, Bavarian alps, Tegernsee, Upper Bavaria, Bavaria, Germany