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شامله لكل الحياه من سياسيه ورياضيه واقتصاد وحوداث وعقارات وسيارات وتكنولوجيا ووو
Jan 28, 2018
The technology which starts avalanches
Avalanche threats cut off the Swiss ski resort, Zermatt, twice in 2018. But technology is helping to make ski slopes safer for the public.
Source BBC News - World http://ift.tt/2DG7uRq
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