![A member of Argentine National Gendarmerie aims his gun to demonstrators during a protest.](/sites/default/files/multimedia_images_2018/122018amer_argentina_firearms.jpg)
A member of Argentine National Gendarmerie aims his gun to demonstrators during a protest against government-proposed pension reforms as protesters march to Argentine National Congress in Buenos Aires, Argentina, on December 14, 2017.
© 2017 Mariano Sanchez/Anadolu Agency/Getty Images