Students dance in front of riot police as they march to protest against the slowness in the progress of the Chilean education reform in Santiago on April 19th, 2018.
Palestinian protesters clash with Israeli forces on December 11th, 2017, near the border fence with Israel, east of Gaza City.
Activists smoke joints during a protest against the imposing of fines for smoking marijuana by police according to their new code, in Bogota, on August 1st, 2017.
U.S. First Lady Melania Trump, President Donald Trump, and Britain's Prime Minister Theresa May stand on the steps in the Great Court on the first day of Trump's visit to the United Kingdom.
Activists, including childcare providers, parents, and their children, protest against the Trump administration's recent family detention and separation policies.