Battling strong winds, driving rain, mud and freezing temperatures, these stunning photographs show a slow trek of thousands of migrants making their way to Europe amid the harsh conditions of the oncoming winter.
As European leaders squabble about how best to deal with its mounting refugee crisis, tens of thousands of people are continuing to try and reach the Eurozone via the Balkans route.
And as these pictures show, they are prepared to do so despite often overwhelmingly difficult conditions.
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