
A woman protects herself from the cold weather on a street in Buenos Aires, Argentina, July 17, 2017. A polar wave entered Argentina, lowering the temperature below zero, according to the National Meteorological Service. (Xinhua/Martin Zabala)

A woman protects herself from the cold weather on a street in Buenos Aires, Argentina, July 17, 2017. A polar wave entered Argentina, lowering the temperature below zero, according to the National Meteorological Service. (Xinhua/Martin Zabala)