After arriving in Greece.many simply walked north heading for Germany and Sweden in particular. The route took them through Macedonia, Serbia toward Hungary and beyond.

Refugees make their way through cabbage fields near Presevo, Serbia.

Refugees wait outside a transit camp in order to be registered by Serbian authorities in Preöevo, Serbia.

Refugees wander and wait to be picked up by a Croatian Border Police mini-van in Sid, Serbia.

Refugees inside Opatovac refugee transit camp in Croatia.

Thousands of refugees wait outside a transit camp in order to be registered by Serbian authorities in Presevo, Serbia.

Tension mounts at the Presevo refugee transit camp in Presevo, Serbia.

Thousands of refugees wait outside a transit camp in order to be registered by Serbian authorities in Presevo, Serbia.

Refugees wait outside a transit camp in order to be registered by Serbian authorities in Presevo, Serbia.

A disabled woman boards a Hungary-bound train in Tovarnik, Croatia.

A refugee family boards a train at Tovarnik, Croatia.

Refugee families waiting on a bus in Presevo, Serbia.

A mother and her young child wait outside a transit camp in order to be registered by Serbian authorities in Presevo, Serbia.

Thousands of refugees wait outside a transit camp in order to be registered by Serbian authorities in Presevo, Serbia.

Refugees being processed inside Opatovac refugee transit camp in Croatia.

An UNHCR list of refugee aslyum centers in Serbia.

An Afghan family camping outside the Presevo refugee transit camp in Presevo, Serbia.

Refugees inside the Presevo refugee transit camp in Presevo, Serbia.

Thousands of refugees wait inside a transit camp in order to be registered by Serbian authorities in Presevo, Serbia.

Young Afghan refugees inside a tent in Belgrade, Serbia.

Refugee families boarding a bus in Presevo, Serbia.

Blankets inside a refugee tent at the Opatovac refugee transit camp in Croatia.

A female refugee smokes outside a transit camp in order to be registered by Serbian authorities in Presevo, Serbia.

Young Afghan refugees wash and shave at a mobile water-truck in a makeshift camp in the center of Belgrade, Serbia.

An injured refugee waits outside a transit camp in order to be registered by Serbian authorities in Presevo, Serbia.

A child sits inside a tent at the makeshift refugee camp in Presevo, Serbia.

A Syrian refugee family walking in Presevo, Serbia.

Clothes are hung up to dry in a makeshift camp in the center of Belgrade, Serbia.