Which city's underground rail system is the U-Bahn?
Correct answer: Berlin
Player #51320894
Munich as well
Rocking Rosi
Skyisthelimit🙏🏾❤️, there's a "U-Bahn" in all 4 cities. This is not the question. Only in Berlin the trains are yellow!
Skyisthelimit🙏🏾❤️
Even Munich there is U-Bahn. So the question answer is wrong
Poigirl
Not just Berlin, also Munich