Teachers take part in a protest in Buenos Aires, Argentina, on March 6, 2017. Teachers in Argentina held a 48-hour nationwide strike demanding a wage increase on Monday. (Xinhua/Martin Zabala)
Teachers take part in a protest in Buenos Aires, Argentina, on March 6, 2017. Teachers in Argentina held a 48-hour nationwide strike demanding a wage increase on Monday. (Xinhua/Martin Zabala)