An opposition supporter gestures with a knife during clashes with police in Kibera slum in Nairobi, Kenya on October 26, 2017. Kenyans trickled into polling stations today for a repeat election that has polarised the nation, amid sporadic clashes as supporters of opposition leader ignored his call to stay away and tried to block voting. (Photo by Goran Tomasevic/Reuters)

Visitors make snowmen beside a pool at a hot spring in Hangzhou, in China's eastern Zhejiang province on January 26, 2018. China's central and eastern regions have been hit by heavy snowfalls in recent days, causing disruptions to flight and train schedules. (Photo by AFP Photo/China Stringer Network)

An English Bulldog plays with its owner during a parade where more than 900 English Bulldog participate to set the Guinness World Records for the largest Bulldog walk in Mexico City, Mexico February 26, 2017. (Photo by Carlos Jasso/Reuters)

Body modification and tattoo artist Andrea Aguilar, 26, known as leopard woman, at the Quito Tattoo Convention shows off her work during the last day of the event in Quito, Ecuador September 27, 2015. (Photo by Guillermo Granja/Reuters)

Sandstone sculpted by water and wind erosion is seen in a slot canyon, one of hundreds that surround Lake Powell near Page, Arizona, May 26, 2015. Lake Powell on the Colorado River provides water for Nevada, Arizona and California. A severe drought in recent years, combined with withdrawals that many believe are not sustainable, has reduced its levels to only about 42 percent of its capacity. (Photo by Rick Wilking/Reuters)

Nuns react at the arrival of Pope Francis at the St. Mary's school to attend a meeting of clergy and religious in Nairobi, Kenya, 26 November 2015. Pope Francis is on a six days visit that will take him to Kenya, Uganda and the Repulic of Central Africa from 25 to 30 November. (Photo by Daniel Dal Zennaro/EPA)

In this handout provided by the National Aeronautics and Space Administration (NASA), SpaceX's Falcon 9 is moved to the launch pad prior to the rocket's Thales Alenia Space launch attempt on April 26, 2015 in Cape Canaveral, Florida. (Photo by NASA via Getty Images)

J.T. Miller #9 of the Vancouver Canucks scores a goal on Alex Nedeljkovic #39 of the Pittsburgh Penguins during the second period of their NHL game at Rogers Arena on October 26, 2024 in Vancouver, British Columbia, Canada. (Photo by Derek Cain/Getty Images)