Pristina, Kosovo, Oct. 23, 2017. | (ARMEND NIMANI/AFP/Getty Images)

Moscow, Oct. 18, 2017. | (EPA-EFE/SERGEI ILNITSKY)

Hannover, Germany, Oct. 15, 2017. | (EPA-EFE/JENS SCHLUETER)

Nederland, Colorado, Sept. 22, 2017. | (REUTERS/Rick Wilking)

Richmond, England, Oct. 27, 2017. | (Dan Kitwood/Getty Images)

Erdospusyta, Hungary, Oct. 30, 2017. | (EPA-EFE/Zsolt Czegledi)

Pitlochry, Britain, Oct. 25, 2017. | (REUTERS/Russell Cheyne)

Oulens-sous-Echallens, Switzerland, Oct. 4, 2017. | (REUTERS/Denis Balibouse)

Hambach, Germany, Oct. 17, 2017. | (EPA-EFE/RONALD WITTEK)

Nordheim, France, Oct. 18, 2017. | (PATRICK HERTZOG/AFP/Getty Images)

Srinagar, Kashmir, Nov. 11, 2017. | (EPA-EFE/FAROOQ KHAN)

Inje, Gangwon-do, South Korea, Oct. 25, 2017. | (EPA-EFE/JEON HEON-KYUN)