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<http://www.sdna.gr/sites/default/files/styles/full_width/public/article/2015/05/10/switzerland-shooting-three-dead-alpine-wilderswil-village.jpg?itok=y6HjwHq7>
<http://www.sdna.gr/politiko-deltio/diethni/article/35793/den-dinei-arithmo-nekron-i-elvetiki-astynomia>