Photo taken on March 6, 2017 shows an empty classroom during a strike in La Plata, Argentina. Teachers in Argentina held a 48-hour nationwide strike demanding a wage increase on Monday. (Xinhua/Eva Cabrera/TELAM)
Photo taken on March 6, 2017 shows an empty classroom during a strike in La Plata, Argentina. Teachers in Argentina held a 48-hour nationwide strike demanding a wage increase on Monday. (Xinhua/Eva Cabrera/TELAM)