The harrowing photos of refugees that didn't go viral

Children on the railway tracks at the border between Greece and Macedonia.

More than 2,500 refugees have died so far this year making sea crossings to Europe.

The man died after fellow refugees and paramedics tried to save him.

A family is arrested by local police after their local train coming from Budapest and heading to the Austrian border has been stopped in Bicske, west of the Hungarian capital.

Migrants wait behind a fence guarded by police as the Keleti train terminal in Budapest.

Young children were among hundreds of refugees who crammed on the first trains towards Austria as authorities let them leave Budapest. 

An Afghan family make their way towards Europe on the Balkans route through Macedonia.

Coffins with bodies of migrants who died in an abandoned lorry are unloaded from a van on August 28, 2015 for an investigation at a forensics institute in Vienna.