Geothermal power station on the Rekjanes Peninsula, near Keflavik, Iceland, Polar Regions

Geothermal power station on the Rekjanes Peninsula, near Keflavik, Iceland, Polar Regions

Fish in fish market, Istanbul, Turkey, Europe

Farm house and silver birch tree on a frosty morning in autumn, Peak District National Park, Derbyshire, England, United Kingdom, Europe

Fish in fish market, Istanbul, Turkey, Europe

Sun and Moon Venetian Carnival Masks, Italy

Woman of the Akha tribe in traditional dress including a headdress of heavy silver baubles, in a hill village near Kengtung (Kyaingtong), Shan State, Myanmar (Burma), Asia

Woman of the Akha tribe in traditional dress including a headdress of heavy silver baubles, in a hill village near Kengtung (Kyaingtong), Shan State, Myanmar (Burma), Asia

Woman of the Akha tribe in traditional dress including a headdress of heavy silver baubles, in a hill village near Kengtung (Kyaingtong), Shan State, Myanmar (Burma), Asia

Frost patterns in soil on the Lancashire Fylde coast near Southport, Lancashire, England, United Kingdom, Europe

Silver Frost, Larch, Wood, Niigata Prefecture

Larch, Silver Frost, Nagano Prefecture

European Silver Fir (Abies alba), covered with snow and frost, Schauinsland Mountain, Black Forest, Baden-Wuerttemberg, Germany, Europe

Silver Birch (Quercus robur) covered in thick hoar frost, Biosphaerengebiet Schwaebische Alb biosphere reserve, Swabian Alb, Baden-Wuerttemberg, Germany, Europe