This installment of our series on the Feldberg Lakes focuses on fish and how they reproduce. We also meet the savior of the eastern bullhead.

In this part of our series on the Feldberg Lakes, we learn about how they were formed and meet an intriguing inhabitant of their shores!

Winter is a lean time for many species... but not for all of them! Many waterbirds and the tiniest mouse you can imagine have their survival strategies.

The Feldberg Lakes form a beautiful and biodiverse area in southern Mecklenburg in the north of Germany. In the first part of this series, we learn about their formation and get to know some of the animals that inhabit them.

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.

The honey bee is the oldest livestock species of all and an industrious animal essential to the health of our planet.

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?

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.

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 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.

Eylin tells us more about the trees that can be found in Germany. She also gives us a few simple pointers on how to recognize them, and tells us why she thinks people like trees so much.

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.

Here's one for lovers of trees and forests. Eylin introduces the most common types of tree found in Germany and also tells us about the interesting history of the country's forests.

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.

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.