Photo taken on May 6, 2019 shows snow-covered Biokovo Mountain by the Adriatic coast near Zagvozd, Croatia. Strong wind, rain and a sharp drop in temperature hit many parts of Croatia over the weekend, causing abnormal coldness and snowfall in some mountainous areas. (Xinhua/Ivo Cagalj)

Photo taken on May 6, 2019 shows snow-covered Biokovo Mountain by the Adriatic coast near Zagvozd, Croatia. Strong wind, rain and a sharp drop in temperature hit many parts of Croatia over the weekend, causing abnormal coldness and snowfall in some mountainous areas. (Xinhua/Ivo Cagalj)