The Mud of Europe
In 2015, one million refugees went to Europe, fleeing conflicts in places like Syria and Afghanistan. This exodus across Greece and the Balkan region is the largest migration to the continent since World War II.
More than 500 refugees died trying to cross the Aegean Sea in 2015.
The closing of the border between Serbia and Croatia left entire families in the rain and cold for more than 12 hours.
Fifteen thousand people came to accumulate in the informal camp of Idomeni on the border between Greece and Macedonia.