People enjoy the autumn colors at the Koishikawa Korakuen Gardens in Tokyo, Saturday, November 26, 2016. (Photo by Koji Sasahara/AP Photo)





Pumpkins are on display and waiting for customers at a field near Utting at lake Ammersee, southern Germany, Thursday, September 8, 2016. (Photo by Matthias Schrader/AP Photo)





A visitor walks behind displayed pumpkins during a pumpkin show at the horticultural exhibition “ega” in Erfurt, central Germany, Tuesday, September 13, 2016. (Photo by Jens Meyer/AP Photo)





Pumpkins are seen at a market during the annual autumn agriculture fair in Minsk, Belarus October 8, 2016. (Photo by Vasily Fedosenko/Reuters)





Leaves are pictured on a warm autumn morning in Bursins, Switzerland, October 27, 2016. (Photo by Denis Balibouse/Reuters)





Pumpkins for sale sit in falling snow near Port Ewen, New York, U.S., as the first winter weather of the season moved into parts of the northeast U.S., October 27, 2016. (Photo by Mike Segar/Reuters)





A red maple leaf is seen among new fallen snow in the village of Kingston, New York, U.S., as the first winter weather of the season moved into parts of the northeast U.S., October 27, 2016. (Photo by Mike Segar/Reuters)





A woman searches for a pumpkin for the upcoming Halloween holiday at Rock Creek Farm in Broomfield, Colorado October 27, 2016. (Photo by Rick Wilking/Reuters)





A leaf is seen as people walk across a park covered by autumn leaves in Almaty, Kazakhstan, November 1, 2016. (Photo by Shamil Zhumatov/Reuters)





Fallen leaves cover a BMW car during a rainy autumn day in Belgrade, Serbia November 3, 2016. (Photo by Marko Djurica/Reuters)





A wall with autumn leaves is pictured in Giverny, France, November 4, 2016. (Photo by Jacky Naegelen/Reuters)





A wall with autumn leaves is pictured in Giverny, France, November 4, 2016. (Photo by Jacky Naegelen/Reuters)





Mushrooms are seen among fallen leafs in a park in downtown Frankfurt, Germany, November 6, 2016. (Photo by Kai Pfaffenbach/Reuters)





Fallen leafs are seen on the bonnet of a car parked outside a park in downtown Frankfurt, Germany, November 6, 2016. (Photo by Kai Pfaffenbach/Reuters)





A boy covers his head with fallen leaves as he enjoys a stroll with his family in a park in downtown Frankfurt, Germany, November 6, 2016. (Photo by Kai Pfaffenbach/Reuters)





A man walks through fallen leaves on Victoria Park in Leicester, Britain, November 8, 2016. (Photo by Darren Staples/Reuters)





Waterdrops are picured on a fallen leaf from autumn trees at the Tiergarten central park in Berlin, Germany, November 9, 2016. (Photo by Fabrizio Bensch/Reuters)





A girl looks at a restaurant covered in autumnal Virginia creeper in Brantome in the Dordogne region of France November 13, 2016. (Photo by Phil Noble/Reuters)





A dog bounds through fallen leaves on a sunny autumn day at Marbury Park in Cheshire, Britain November 25, 2016. (Photo by Jason Cairnduff/Reuters)





The morning sun illuminates the autumnal fire red leaves of Japanese maple tree in Falls Church, Virginia, U.S. December 2, 2016. (Photo by Kevin Lamarque/Reuters)





Frozen leaves on a tree are seen at lake Grunewald in Berlin, Germany, December 5, 2016. (Photo by Fabrizio Bensch/Reuters)





A woman plays with dry leaves in the Retiro park in central Madrid, Spain, December 5, 2016. (Photo by Juan Medina/Reuters)





Leaves change their colour in the autumn season in Hakone town, Kanagawa prefecture, some 100 kilometres west of Tokyo, on November 17, 2016. (Photo by Toshifumi Kitamura/AFP Photo)





Thousands of pumpkins lie on a field near Niederkreuzstetten, near Vienna, Austria, 20 September 2016. (Photo by Christian Bruna/EPA)