We don't know exactly how and when life began on Earth, but the answer probably lies in the depths of the ocean: It is here that the first unicellular organisms evolved.

Gabriela and Mira from Karlsruhe talk about SINGinKA, the local choir project they founded. Their group doesn't have the same structure as most choirs – and is therefore much more open to all types of singing enthusiasts!

How do coral reefs form, and what role do they play for underwater creatures such as fish? In this video, you can see some fascinating life forms and how they interact with one another.

Brilliantly colorful parrot fish and two-bar sea bream are among the fish featured in this segment. Sea cucumbers, the vacuum cleaners of all the Earth's oceans, also make an appearance.

The Goethe-Institut’s #180sec short video series, which explores different cities around the world, visits the streets of Cologne. Here, local inline skater Matwej explains why it's no longer possible to skate on the square in front of the world-famous Kölner Dom (Cologne Cathedral), and where the skaters go now.

Hambach Castle is one of the most important landmarks in Germany, as its history is the history of the country as we know it today. Every year, thousands of tourists visit the castle and learn about the Hambach Festival, which — spoiler alert — was more than just a party!

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.

Different types of fish have very different tactics when it comes to survival in the coral reef, including camouflage, safety in numbers, and hiding in plain sight.

From Munich to Berlin in just four hours — that's what Deutsche Bahn's new high-speed connection is promising. But is it really faster than going by airplane? The race is on!

In this segment, we get to see some of the oldest inhabitants of the ocean and learn about how they have adapted to life under water.

By the time Olcay's flight from Munich to Berlin takes off, Claire’s train has already been traveling for three hours. This is going to be a close race!

Airplanes don’t have a reverse gear – but they don’t need one, either. In this episode of Frankfurt Airport’s “Rund um die Airport,” we learn about the incredible machinery used to tug massive airplanes around the tarmac.

In this video, we learn all about humpback whales. They might not be the largest whales, but they are extremely agile and graceful — and very musical as well!

The race between airplane and train is coming to an end! Who will reach Alexanderplatz’s World Time Clock first—Claire or Olcay? It’s going to be close!

We continue following the humpback whales, learning about their migration patterns and how they raise their young. We also meet Californian sea lions, which, despite their heft, are very agile and adept — and also very peaceful.