Sarah continues exploring the Christmas market in Karlsruhe. She visits the talking "fairy tale boxes," the ice skating rink, and a stand where they make crêpes with Nutella!

Sarah shows us around Karlsruhe's "Christkindlesmarkt" Christmas Market, which has three areas. She stops at various stands to buy a gingerbread heart, a mulled wine, and some alcohol-free children's punch.

As the 30th anniversary of the fall of Berlin Wall approaches, this report takes stock of how far Germany has come, and what still needs to be done. Emphasizing the importance of transparency and freedom of speech has helped reunite the nation – but other divides have also emerged.

Former civil rights activist Roland Jahn and photographer Andreas Rost both played a role in the resistance and fall of the Berlin Wall. Thirty years later, they recall some of the crucial moments from a period in recent German history that was characterized by both unity and division.

Throughout his life, Luigi Colani designed cars for Fiat, Alfa Romeo, Lancia, Volkswagen, and BMW. In this interview, the late designer discusses his disappointment with current design trends and a lack of innovation, and German politics as well.

The autumn is short-lived in Vorarlberg, and soon the mountain landscape is blanketed in snow. The ibexes are provided with feeding stations to ensure that they survive the winter.

In this video, we get to observe the mating rituals of the chamois, and how a mother protects her young from a fox on the hunt.

Autumn in the Alps brings with it all kinds of new sights: the woolly sheep are rounded up by their owners, the larches are ablaze in color, the squirrels prepare for winter, and the mating battles are in full force among the stags.

As autumn approaches, the sheep are brought back to their winter quarters. In this segment, we also see how beautiful the region is in the evenings.

Canyoning is another popular activity in the Alps, but it isn't for the faint of heart. In a glorious natural setting, the group faces some tough passages and harrowing jumps over waterfalls.

Germany is not a big enough country to devote all of its land to creating renewable energy – but there is another place with vast expanses of empty space and limitless sunshine.

Whitewater rafting and kayaking are very popular but also very dangerous sports in the Alps. Here we see some remarkable footage of a few daring individuals making their way through the thundering rapids.

In this segment, we finally glimpse the peak of the Großvenediger. Back down in the valley, families make hay without the usual farm machinery.

In this segment, we visit quaint settlements, a chapel carved into a rock, and a waterfall that seems to disappear into the earth, all at the foot of some of the tallest mountains in Europe.

In this video, physicist and author Harald Lesch talks about how Germany could phase out coal and nuclear power completely and still meet all of its energy needs.