- Thousands of refugees and migrants are arriving in Europe from countries like Syria, Iraq
- Last week, Hungary refused to let many migrants travel on without the right paperwork
- Other countries, like Germany, have opened their borders to thousands
(CNN)Europe is in the midst of an unprecedented human migration. Fleeing war, fearing for their lives and dreaming of a better life far from the poverty and upheaval of their unstable nations, hundreds of thousands are flocking to Europe's shores. The migrants and refugees risk their lives in rickety boats and cramped trucks -- only to be greeted by governments that can't agree on how, or if, to welcome them.