Trumpeter swans at Kelly Warm Springs, near Kelly, Wyoming (© DEEPOL by plainpicture)

Dawn sunlight and waves at Portland Bill lighthouse, Dorset, England (© Lee Pengelly/Getty Images Plus)

Male Atlantic puffin gives his mate nesting material, Skomer Island, Wales (© Danny Green/Minden Pictures)

｢サイとウシツツキ｣南アフリカ, アマカーラ生物保護区 (© Robert Harding World Imagery/Offset)

安大略省的圣诞树农场，加拿大 (© FatCamera/Getty Images Plus)

南邦国家公园的尖峰石阵，西澳大利亚州 (© Frank Krahmer/Getty Images Plus)

The Pinnacles at Nambung National Park, Western Australia (© Frank Krahmer/Getty Images Plus)

装饰有多个镜子、灯和空气喇叭的摩托车 (© stocknshares/Getty Images)

一枚微芯片的特写 (© Bobkov Evgeniy/Shutterstock)

正在吃花楸果实的太平鸟 (© Berndt Fischer/Getty Images Plus)

Waxwings feeding on rowans (© Berndt Fischer/Getty Images Plus)

Tengboche Monastery in the Himalayan Mountains, Nepal (© Kyle Hammons/Tandem Stills + Motion)

Le Bernina Express sur le viaduc de Landwasser, Graubünden, Suisse (© Marco Bottigelli/Getty Images)

Bernina Express on the Landwasser Viaduct, Graubünden, Switzerland (© Marco Bottigelli/Getty Images)

Spruce grouse in a spruce tree in Denali National Park and Preserve, Alaska (© Yva Momatiuk and John Eastcott/Minden Pictures)

Beech forest covered with frost and snow, Ardennes, Belgium (© Philippe Moes/Alamy)

Table Mountain, Cape Town, South Africa (© 4FR/Getty Images)

一年一度的施瓦本哈尔圣诞市集，德国巴登-符腾堡州 (© sack/Getty Images Plus)

Annual Schwäbisch Hall Weihnachtsmarkt in the market square, Baden-Württemberg, Germany (© sack/Getty Images Plus)

哈纳公路沿线的彩虹桉树，毛伊岛 (© GlowingEarth/Getty Images Plus)

Snowflake (© TothGaborGyula/Getty Images Plus)

【今日冬至】 (© Sino Images/Getty Images)

正在宣泄不满的两只巴布亚企鹅，南极洲 (© Grafissimo/Getty Images)

Gentoo penguins in Antarctica (© Grafissimo/Getty Images)

A herd of reindeer in Norway (© Lena Granefelt/plainpicture)

The Church of St. Thomas above the village of Praprotno, for Slovenia Independence and Unity Day (© Guy Edwardes/Minden Pictures)

池塘边结了冰的树 (© Philippe Sainte-Laudy Photography/Getty Images)

Cygnes trompette près de Kelly dans le Wyoming, États-Unis (© DEEPOL by plainpicture)

图森附近索诺兰沙漠中的巨柱仙人掌，亚利桑那州 (© Jack Dykinga/Minden Pictures)

巴克南的跨年烟火，德国 (© Lilly/Alamy)

Fireworks for New Year's Eve in Backnang, Germany (© Lilly/Alamy)