Professional slackliner Lukas Irmler has performed incredible feats all over the world. Last summer, the extreme athlete stretched his synthetic fiber rope in the South Tyrolean Dolomites, encountering a greater challenge than expected.

Berlin-based skateboarder Lilly Stoephasius is only 12 years old, but she’s already won a European skating championship in the “Park” discipline – and hopes to attend the Olympic games in Tokyo. Here, she and her dad discuss her everyday skating life and her longer-term goals.

André Wiersig is not your average swimmer who just goes to his local swimming pool. This is a man who likes to push the boundaries of what is humanly possible, swimming out in the open seas without any protection from the cold.

In this part, we find out how it all began and why extreme swimming is not the way to go if you are mainly interested in exercising to look good.

How does André Wiersig prepare for the cold? How did he get into the game in the first place? Watch this clip to find out.

André Wiersig has had some brushes with death in his time. He tells us about his experiences and the peaceful relationship he has with the other species that swim with him in the ocean.

Strength training is also part of André Wiersig's preparation for his aquatic challenges. That can sometimes be quite painful... This extreme swimmer tells us how he manages to keep the pain at bay.

André Wiersig is aware that most people think he is crazy, but for him, crossing the straits and swimming in the ocean is much more than just an athletic challenge.

André Wiersig has become an ambassador for the seas and shares his experiences in talks—he sees this as his purpose on earth. Now he has swum across all seven straits, the last one being the Strait of Gibraltar. What will be his next challenge?

This song by the German indie rock group from Germering near Munich made it to number one in the German singles charts and was often sung by German soccer fans during the 2006 world cup. Since Germany did not win in 2006, the title was changed to "'54, '74, '90, 2010."

Are you interested in studying in Germany? This video will give you some great insights into KIT, the Karlsruhe Institute of Technology, in the southwest of the country.

Alina meets Paula to ask her a few questions about her life as a student. Paula tells us what she is studying and what a typical day looks like for her.

Federico is a student and lives in a shared apartment. In this video, he talks about the advantages and disadvantages of this lifestyle.

Stand-up paddling (SUP) has become very popular and seems quite easy, but there are actually a lot of mistakes that beginners tend to make—and some of them can be quite dangerous. In this video, you can learn all about the rookie mistakes you should avoid when heading out on the water.

Arne Elsholtz, the German voice of Tom Hanks and other Hollywood stars, is a guest at the Carpe Diem studios in Appenweier.