In this photo taken on Thursday, July 23, 2015 migrants enter a train to Serbia at the railway station in the southern Macedonian town of Gevgelija. The country has become a major transit route for thousands of Middle Eastern and African refugees and migrants who cross over from Greece and then continue into Serbia. (Photo by Boris Grdanoski/AP Photo)

Buildings in Nogales, Mexico (R) are separated by a border fence from Nogales, Arizona, United Sates, October 9, 2016. Building a wall along the U.S.- Mexico border has been a contentious subject in this year's U.S. presidential election. In parts of California and Arizona, a wall already exists. It runs across rocky deserts, flowing sand dunes and miles of agricultural land. (Photo by Mike Blake/Reuters)

South Korean college students wearing masks hold up candles as they march after a rally calling for South Korean President Park Geun-hye to step down in Seoul, South Korea, Saturday, November 12, 2016. Hundreds of thousands of people flooded Seoul's streets on Saturday demanding the resignation of Park amid an explosive political scandal, in what may be South Korea's largest protest since it shook off dictatorship three decades ago. (Photo by Lee Jin-man/AP Photo)

Dakar Rally, 2017 Paraguay-Bolivia-Argentina Dakar rally, 39th Dakar Edition, First stage from Asuncion, Paraguay to Resistencia, Argentina on January 2, 2017. Adrien Metge of France pushes his Sherco. (Photo by Ricardo Moraes/Reuters)

A woman poses for a photo in the tourist area surrounding Houhai Lake during Chinese National Day holidays in Beijing, China, October 2, 2020. China is celebrating its national day marking the 71st anniversary of the People's Republic of China and the Mid-autumn Festival for a week beginning on October 1st. (Photo by Thomas Peter/Reuters)

With less than a week before Election Day, a Halloween skeleton holds a vote sign outside a home in Falls Church, Virginia, October 29, 2020. (Photo by Kevin Lamarque/Reuters)

Indian women paint miniature models of houses as they make them for sale ahead of Diwali festival, in Prayagraj, India, Thursday, November 12, 2020. People buy them to decorate their homes during Diwali, the annual Hindu festival of lights which will be celebrated on Nov 14. (Photo by Rajesh Kumar Singh/AP Photo)

Russian policemen detain participants of an unauthorized “Russian March 2020: For freedom and justice! We go out to say that Russian lives matter” organised by Russian nationalists on the National Unity Day in Moscow, Russia, 04 November 2020. Russian nationalists demand freedom for political prisoners in prisons and a fair investigation into the deaths of political prisoners, including representatives of radical movements who were killed during detention or found dead in places of detention. (Photo by Sergei Ilnitsky/EPA/EFE)