More than 600 people have been killed in the two weeks since one of the coldest and harshest winters in recent memory struck Central Europe.<br /><br />More than 600 people have been killed in the two weeks since one of the coldest and harshest winters in recent memory struck southern and central Europe.<br /><br />The Balkan countries have been covered by snow, but as it begins to melt, there is a new threat of flooding.<br /><br />Al Jazeera's Paul Brennan reports from the frozen mountains of Montenegro.Al Jazeera's Paul Brennan reports from the frozen mountains of Montenegro.