After the border had officially been closed, the students were separated and often didn't know if their friends on the other side were OK. Luckily, a few letters got through.

The restrictions placed on residents of both West and East Berlin intensifies to the point where the classmates aren't even actually allowed to have contact.

Rüdiger and Bärbel attempt to escape into West Berlin, but it doesn't go according to plan.

While their classmates in the West graduate, Rüdiger and Christian come to terms with their life in the East Berlin.

Rüdiger finds himself in prison, subject to interrogation, and separated from his sister.

While Rüdiger and Bärbel face the consequences of their actions, the other former classmates move on in more positive ways.

Christian considers a dangerous escape plan.

Christian escapes by swimming across the border, but leaves Heidi behind. Rüdiger is suddenly presented with a new option.

In the conclusion of the film, find out whether Rüdiger leaves West Germany, and what each person in the group is doing today.

The 2011 swimming season is now open! The people of Fehmarn, an island in the Baltic Sea, enjoy their first dip in the sea at pretty brisk air and water temperatures. Carina Kühl, from the Rural Youth Group Fehmarn, reports. Video provided by

The 18-kilometer Fehmarn Belt Tunnel connecting Denmark and Germany will be the longest immersed tunnel in the world. This video explains how 360,000 tons of steel and 3 million cubic meters of concrete are being used to create the tunnel, which will run between Rødbyhavn on the island of Lolland and Puttgarden on the eastern coast of Schleswig-Holstein.

The Beatles spend the last few hours of their German tour in Hamburg – the city that discovered them! Can you find and identify the then popular Hamburg politician and future Chancellor of Germany?

The Alps are a vast mountain range spanning central Europe, from Slovenia to France. In the first part of this series, we meet photographer Matevž Lenarčič, who captures this region from the air.

We continue our journey with pilot and photographer Matevž Lenarčič and see impressive landscapes such as Lake Bled in Slovenia and the Nock Mountains in Carinthia, Austria.

Nicole and her family run a traditional farm and create unique ice cream flavors using their own milk. We also get to discover the protected area surrounding Nockberge National Park.