People work during an assistance operation in an area affected by a snowfall in Neuquen, Argentina, on July 18, 2017. A polar wave entered Argentina, lowering the temperature below zero, according to the National Meteorological Service. (Xinhua/TELAM)
Polar wave enters Argentina
Source: Xinhua| 2017-07-19 15:21:15|Editor: Zhou Xin
KEY WORDS: polar wave
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