Andy Rouse / Barn owl (Tyto alba) perched in frame of old window, UK, April

Jouan & Rius / Two Domestic cats outdoors looking in through window, France

Roy Mangersnes / Black-legged kittiwakes (Rissa tridactyla) on an old building including one landing, Finnmark, Norway, April

Bryan and Cherry Alexander / Girls looking through a window from inside their home in Verkhoyansk, Yakutia ,Siberia, Russia, 1999.

Bryan and Cherry Alexander / Inuit home with dead Arctic hares (Lepus arcticus) hanging outside to keep them cold. Moriussaq, Northwest Greenland.

Bernard Castelein / Two children looking through decorated window of traditional building. Tamang ethnic group, Tamang heritage trail, Gadlang, Langtang region, Nepal. November 2009

Igor Shpilenok / Two Red foxes (Vulpes vulpes) approaching the photographers cabin, where one stands on the open window ledge. Kronotsky Zapovednik, Kamchatka, Russia

Jack Dykinga / Silhouette of Devils Garden with windows showing between eroded sandstone pinnacles, Grand Staircase - Escalante National Monument, Utah, USA

Jeff Foott / Full moon and Turret Arch, Windows Section, Arches National Park, Utah

Chase Dekker / Stars above arches, Windows Section, Arches National Park, Utah

Juan Carlos Munoz / Ornate windows, Triana neighborhood, Las Palmas city, Gran Canaria Island, The Canary Islands, Spain. August 2018.

Staffan Widstrand / Wild Wonders of China / The local temple with decorated windows, Lower Yubeng village, Meili Snow Mountain, National park, Yunnan, China, October 2017.