Both Germany and Austria have since introduced tighter border controls to help control the flow – but this means hundreds of refugees are still stranded at train stations in Austria, hoping to continue their journey to Germany.
Reporter Kim Traill went to Vienna's Westbahnhof station to hear their stories and capture the scenes she saw.
Many refugees – the majority from Syria – experienced harrowing journeys via Turkey, Greece, the Balkans, and Hungary – before being welcomed in Austria.