Base jumpers leap from the 300-metre high skydeck of Malaysia's landmark Kuala Lumpur Tower against the backdrop of the city's skyline in Kuala Lumpur on September 30, 2018 during the annual International KL Tower Base-Jump event. (Photo by Manan Vatsyayana/AFP Photo)

Hooded demonstrators vandalise a shop window in Mexico City, during the commemoration of the 50th anniversary of the 1968 Tlatelolco student massacre, on October 2, 2018. Fifty years ago, Mexican troops opened fire on student demonstrators, killing hundreds just days before Mexico City hosted the 1968 Olympics – one of the darkest episodes in a year of global turbulence. (Photo by Ronaldo Schemidt/AFP Photo)

A woman overcome by emotion after an aftershock hit the area, is carried by a relative to the general hospital in Port-de-Paix, Haiti, Sunday, October 7, 2018. A magnitude 5.2 aftershock struck Haiti on Sunday, even as survivors of the previous day's temblor were sifting through the rubble of their cinderblock homes. The death toll stood at 12, with fears it could rise. (Photo by Dieu Nalio Chery/AP Photo)

Six new Canadians take their oath of citizenship while harnessed on the CN Tower's “Edgewalk” 356 metres (1,168 feet) above Toronto, Ontario, Canada in a still image from video October 9, 2018. (Photo by CN Tower/Handout via Reuters)

Yuchen Chao of Chinese Taipei in action during the Beach Handball Women's Tournament match between Chinese Taipei and Paraguay at The Beach Handball Arena, Tecnopolis Park, Buenos Aires, Argentina, October 12, 2018. (Photo by Lukas Schulze for OIS/IOC/Handout via Reuters)

Young category winner. Great autumn morning by Fabian Dalpiaz. (Photo by Fabian Dalpiaz/2018 Astronomy Photographer of the Year)

Ballerinas perform during an ice-cream factory promotional event at an observation floor of the Moscow International Business Centre, also known as “Moskva-City”, in Moscow, Russia October 25, 2018. (Photo by Shamil Zhumatov/Reuters)

A participant takes part in a “Zombie Walk” parade in Kiev, Ukraine on October 27, 2018. (Photo by Gleb Garanich/Reuters)