Flooding in Bosnia-Herzegovina and Serbia

The sun rises as refugees and migrants walk to pass from the northern Greek village of Idomeni to southern Macedonia, Sept. 11, 2015. The sudden onset of autumn has taken tens of thousands by surprise all along the Balkans route from Greece to Hungary.

A man rows a boat past flooded ambulance vehicles in the flooded town of Obrenovac, southwest of Belgrade, Serbia, May 17, 2014.

Army soldiers evacuate people in amphibious vehicles in the flooded town of Obrenovac, southwest of Belgrade, Serbia, May 17, 2014.

Police officers carry a man from a military helicopter during flood evacuation from Obrenovac, Serbia, May 17, 2014.

Members of the army carry food and water supplies for people stranded, due to the floods, in the Bosnian town of Maglaj, May 16, 2014.

A man drives his bicycle away from a flooded area in the village of Dvorovi, near Bijeljina, Bosnia-Herzegovina, May 17, 2014.