Alexandros Avramidis/Reuters
Coming from war zones in Syria, Iraq, Afghanistan, Libya, and portions of sub-Saharan Africa, the refugees have been driven towards Europe with the hopes of finding a better life for themselves and their families. The scope of the crisis is almost impossible to grasp: in 2015, over 1 million refugees have entered Europe alone.
To give an idea of the struggles that so many have faced, we have compiled 21 of the most heartbreaking images of the ongoing refugee crisis.