A red deer stands in the early-morning mist in Bushy Park in London, England, on October 10, 2018. #

A woman stands on a footbridge over the River Garry near Pitlochry, Scotland, on October 10, 2018. #

The Zinalrothorn mountain is pictured on a warm autumn day in Val d'Anniviers, Switzerland, on October 13, 2018. #

The Vignes du Clos Montmartre vineyard is seen ahead of the Montmartre Grape Harvest Festival, which runs from October 10 to 14 in Paris, France. #

A girl poses for a photo with yellow leaves at the Kolomenskoye historical-and-nature-reserve museum in Moscow, Russia, on October 17, 2018. #

People canoe on a lake in Algonquin Park in Ontario, Canada, on October 9, 2018. #

A man drives a horse cart through the Vrelo Bosne national park in Sarajevo, Bosnia and Herzegovina, on October 15, 2018. #

Aspen trees in Maroon Bells Wilderness near Aspen, Colorado #

An autumn leaf on the ground in Orvault, western France, on October 18, 2018 #

A student runs to school as the sun rises in Frankfurt, Germany, on October 15, 2018. #

The Northern Lights dance in the sky near Rovaniemi in Lapland, Finland, on October 7, 2018. #

Autumnal trees are pictured in front of a television tower in Berlin, Germany, on October 11, 2018. #

A kitten walks atop apples during the harvest in Van, Turkey, on October 15, 2018. #

A man walks with a horse amid trees on the hills of Gumushane, Turkey, on October 15, 2018. #

The church and parts of the village of Kronberg are seen with the city of Frankfurt, Germany, in the background just after sunrise on October 16, 2018. #

Geese fly over the Teufelsmoor ("Devil's moor") in Gnarrenburg, Germany, on October 16, 2018. #

A duck paddles among yellow leaves in the Kolomenskoye historical-and-nature reserve in Moscow, Russia, on October 17, 2018. #

Sun rays light trees on an autumn morning in Val d'Anniviers, Switzerland, on October 14, 2018. #

Grapes hang in a vineyard after the harvest in Klosterneuburg, Austria, on October 15, 2018. #

A child plays with leaves in a park on a sunny autumn day in Prague, Czech Republic, on October 13, 2018. #

Golden autumn sunlight on a mountain lake in the Khibiny Mountains in Russia's Murmansk region #

Autumn colors are seen on foliage at Ötscher Nature Park near Wienerbruck, Austria, on October 14, 2018. #

Colored leaves float in a pond near the Baumkronenpfad ("treetop path") in Hainich National Park near Bad Langensalza, Germany, on October 17, 2018. #

People watch a dog as they sit on grass in the Vrelo Bosne national park in Sarajevo, Bosnia and Herzegovina, on October 15, 2018. #

Tree branches are lined with the first snow of the season in Zhangjiakou, Hebei province, China, on September 29, 2018. #