The ball that serve with the pork knuckle is Polenta (Corn meal) & the sour vege is Sauerkraut (fermented cabbages). Love your video coz u will try local food.
😂This is the first time I've heard that Berlin is a small city with a good 4.5 million inhabitants and the second largest city in the European Union and can only be seen that way by someone from Asia, where cities with 15-20 million inhabitants are known! 😂😂😂