A man (C) walks through bricks placed on a barricaded street outside The Hong Kong Polytechnic University in Hong Kong on November 15, 2019. Pro-democracy protesters challenging China's rule of Hong Kong on November 14 choked the city for a fourth straight working day, firing arrows at police, barricading roads and disrupting transport links, as schools and businesses closed. (Photo by Isaac Lawrence/AFP Photo)





In this Thursday, November 14, 2019, file photo, protesters move bricks as they barricade a road near the Hong Kong Polytechnic University in Hong Kong. Protesters who barricaded themselves inside Hong Kong’s universities have tried to turn the campuses into armed camps, resorting to medieval weapons to stop police from entering the grounds. Their weapons include bows and arrows, catapults and hundreds of gasoline bombs stacked up to ramparts – often built by the students. (Photo by Kin Cheung/AP Photo/File)





A man poses for a picture with a child on his shoulders among bricks scattered on the street outside the Polytechnic University in Hong Kong, November 15, 2019. The Cross-Harbour Tunnel, outside the barricaded Polytechnic University where protesters have practiced firing bows and arrows and throwing petrol bombs in a half-empty swimming pool, remained shut. (Photo by Adnan Abidi/Reuters)





Explosives ignite an abandoned car, that were hidden there by protesters, near a barricade above the Tolo Highway next to the Chinese University campus in Hong Kong, November 15, 2019. Activists closed the highway this week, clashing with police and throwing debris and petrol bombs on the road linking the largely rural New Territories with the Kowloon peninsula to the south. (Photo by Thomas Peter/Reuters)





Protesters race with bows as they practice running away from riot police, on the roof of a bus shelter near the Cross Harbour Tunnel, which was blocked after demonstrators occupied the nearby Hong Kong Polytechnic University, in Hong Kong, November 15, 2019. Protesters have turned several universities into fortresses, stockpiled with petrol bombs and bows and arrows, amid some of the worst violence in the former British colony in decades. (Photo by Thomas Peter/Reuters)





Supporter of former President Evo Morales protect themselves from tear gas launched by the police, in La Paz, Bolivia, Friday, November 15, 2019. Bolivia's new interim president Jeanine Anez faces the challenge of stabilizing the nation and organizing national elections within three months at a time of political disputes that pushed Morales to fly off to self-exile in Mexico after 14 years in power. (Photo by Natacha Pisarenko/AP Photo)





A supporter of former President Evo Morales throws a stone to police, in La Paz, Bolivia, Friday, November 15, 2019. (Photo by Natacha Pisarenko/AP Photo)





A backer of former President Evo Morales holds a Wiphala flag in front of soldiers blocking a street in downtown La Paz, Bolivia, Friday, November 15, 2019. (Photo by Natacha Pisarenko/AP Photo)





Policemen detains a demonstrator during a protest against Chile's government in Santiago, Chile, November 14, 2019. (Photo by Goran Tomasevic/Reuters)





Demonstrators take part in a protest against the government and to commemorate the first anniversary of the death of Mapuche indigenous leader Camilo Castrillanca – killed in a police operation – in Santiago, on November 14, 2019. The demonstrators are demanding greater social reform from President Sebastian Pinera, who has announced several measures in a bid to appease protesters, including a pledge to change the constitution that dates from the 1973-90 Augusto Pinochet dictatorship. (Photo by Martin Bernetti/AFP Photo)





Migrants queue for free shoes delivery inside Vucjak camp near Bihac, Bosnia and Herzegovina, November 15, 2019. (Photo by Marko Djurica/Reuters)





A woman looks on from a shop at the flooded St. Mark's Square, as high tide reaches peak, in Venice, November 15, 2019. The Italian city has declared a state of emergency after “apocalyptic” floods swept through the lagoon city, flooding its historic basilica and inundating squares and centuries-old buildings. (Photo by Flavio Lo Scalzo/Reuters)





A woman tries to cross a flooded street as people walk on a trestle bridge during high water, in Venice, northern Italy, Friday, November 15, 2019. Exceptionally high tidal waters returned to Venice on Friday, prompting the mayor to close the iconic St. Mark’s Square and call for donations to repair the Italian lagoon city just three days after it experienced its worst flooding in 50 years. (Photo by Andrea Merola/ANSA via AP Photo)





A woman sits in a chair in a flooded St. Mark's Square, in Venice, Wednesday, November 13, 2019. The high-water mark hit 187 centimeters (74 inches) late Tuesday, Nov. 12, 2019, meaning more than 85% of the city was flooded. The highest level ever recorded was 194 centimeters (76 inches) during infamous flooding in 1966. (Photo by Luca Bruno/AP Photo)