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1.
Which city has the oldest underground metro system in the world?
2.
Which city has never hosted an Olympic Games?
3.
Which city has the largest commuter ferry system in the world?
4.
Which city was never part of the British Empire?
5.
Which city was not occupied by Axis forces during World War II?
6.
Which city has the largest African-American population?
7.
Which city is the official seat of the European Parliament?
8.
Which city is not connected to a high-speed rail network?
9.
Which city once hosted the papacy?
10.
Which city does not have any McDonald's outlets?
11.
Which city has the largest Jewish population in the world?
12.
Which city does not have an ocean-accessible harbour?
13.
Which city was the birthplace of former president Barack Obama?
14.
Which city has never been under communist rule?
15.
Which city has a majority Muslim population?