Students shout slogans during the annual march towards the US embassy on November 17, 2019 in Athens, to commemorate the 1973 students' uprising against the US-backed military junta. Five thousand police will deploy in Athens on November 17 for an annual demonstration marking the anniversary of a 1973 anti-junta uprising that regularly descends into violence. This year the protest looks set to be dominated by opposition to the new conservative government, elected in July on a pledge to strengthen law and order. (Photo by Louisa Gouliamaki/AFP Photo)





Protesters run for cover after riot police fired tear gas towards the bridge they were climbing down to the road below, to escape from Hong Kong Polytechnic University campus and from police, in Hung Hom district in Hong Kong on November 18, 2019. Dozens of Hong Kong protesters escaped a besieged university campus on November 18 by lowering themselves on a rope from a footbridge to a highway, AFP video showed. Once on the road they were seen being picked up by waiting motorcyclists. (Photo by Anthony Wallace/AFP Photo)





Police attend an anti-government protester affected by tear gas during clashes in downtown Bogota, Colombia, Friday, November 22, 2019. Labor unions and student leaders called on Colombians to bang pots and pans Friday evening in another act of protest while authorities announced three people had died in overnight clashes with police after demonstrations during a nationwide strike. (Photo by Ivan Valencia/AP Photo)





People march during a nationwide strike called by students, unions and indigenous groups to protest against the government of Colombia's President Ivan Duque in Medellin, Colombia, on November 21, 2019. (Photo by Joaquin Sarmiento/AFP Photo)





Police detain demonstrators during a protest against Chile's government in Santiago, Chile on November 21, 2019. (Photo by Goran Tomasevic/Reuters)





Riot police try to disperse anti-government protesters during clashes in Baghdad, Iraq, Friday, November 22, 2019. Iraq's massive anti-government protest movement erupted Oct. 1 and quickly escalated into calls to sweep aside Iraq's sectarian system. Protesters occupy several Baghdad squares and parts of three bridges in a standoff with security forces. (Photo by Hadi Mizban/AP Photo)





Demonstrators gesture during a police officers' protest to demand better working conditions in Lisbon, Portugal on November 21, 2019. (Photo by Rafael Marchante/Reuters)





A Munduruku attend a meeting of indigenous leaders and family with the press and researchers, at the University of Brasilia, Brazil, Thursday, November 21, 2019. The Munduruku leaders of the Amazon are in Brasilia to denounce Brazil's President Jair Bolsonaro as he intends to approve mining activities on indigenous lands. (Photo by Eraldo Peres/AP Photo)





Venetian people sit in a flooded bar amid rising water levels in Venice, northern Italy, 17 November 2019. High tidal waters returned to Venice on Saturday, four days after the city experienced its worst flooding in more than 50 years. (Photo by Andrea Merola/EPA/EFE)





Flowers and candles are seen at the memorial for the killed Maidan activists on the sixth anniversary of the Euromaidan beginning in central Kiev on November 21, 2019. Euromaidan was a wave of demonstrations and civil unrest in Ukraine, which began on the night of 21 November 2013 with public protests at Independence Square in Kiev, demanding closer European integration. The scope of the protests expanded, with many calls for the resignation of President Viktor Yanukovych and his government. The protests led to the 2014 Ukrainian revolution with nearly 100 people or “Heavenly Hundred” killed, most of them between February 18 and February 20, 2014. (Photo by Genya Savilov/AFP Photo)





Men ride horses down Paseo de la Reforma during a parade marking the 109th anniversary of the start of the Mexican Revolution, in Mexico City, Wednesday, November 20, 2019. More than 1,000 participants dressed in period clothing rode through the streets of the capital after reenacting scenes from the revolution in the city's main square. (Photo by Rebecca Blackwell/AP Photo)





People taste the new wine during the official start of the “Beaujolais Nouveau” edition in the streets of Lyon, central-eastern France, on November 20, 2019. (Photo by Jeff Pachoud/AFP Photo)





Tesla CEO Elon Musk unveils the Cybertruck at the TeslaDesign Studio in Hawthorne, Calif. on November 21, 2019. The cracked window glass occurred during a demonstration on the strength of the glass.Mandatory (Photo by Robert Hanashiro/USA TODAY)





A young girl taking part in a hairdressing contest during the 5th Abilympics Russia vocational skills championship for people with disabilities, at Moscow's VDNKh exhibition centre in Moscow, Russia on November 21, 2019. The competition is aimed at ensuring social adaptation and job opportunities for people with disabilities. (Photo by Valery Sharifulin/TASS)





Tourists take selfie pictures in front of the treasury site in the ancient city of Petra, south of Amman, Jordan, November 21, 2019. (Photo by Muhammad Hamed/Reuters)