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1.
Alexandria or Amsterdam?
Alexandria - 5.7 million, Amsterdam - 2.5 million
2.
Bangkok or Beijing
Bangkok - 18.3 million, Beijing - 20.4 million
3.
Cairo or Chicago?
Cairo - 20.5 million, Chicago - 9.8 million
4.
Dallas or Dar es Salaam?
Dallas - 7.1 million, Dar es Salaam - 6.2 million
5.
Edinburgh or Edmonton?
Edmonton - 1.4 million, Edinburgh - 820,000
6.
Frankfurt or Fukuoka?
Frankfurt - 3.3 million, Fukuoka - 2.7 million
7.
Guadalajara or Guatemala City?
Guadalajara - 5.3 million, Guatemala City - 3.2 million
8.
Ho Chi Minh City or Hong Kong?
Ho Chi Minh City - 8.6 million, Hong Kong - 7.5 million
9.
Ibadan or Izmir?
Ibadan - 3.5 million, Izmir - 3 million
10.
Jeddah or Johannesburg?
Jeddah - 4.8 million, Johannesburg - 13.7 million
11.
Karachi or Kinshasa
Karachi - 17.3 million, Kinshasa - 12 million
12.
London or Los Angeles?
London - 14.7 million, Los Angeles - 17.8 million
13.
Manila or Mexico City?
Manila - 25.2 million, Mexico City - 22.8 million
14.
Nairobi or Nanjing?
Nairobi - 6 million, Nanjing - 6.7 million
15.
Orlando or Oslo?
Orlando - 3.8 million, Oslo - 1.2 million
16.
Port-au-Prince or Pyongyang?
Port-au-Prince - 3.1 million, Pyongyang - 2.9 million
17.
Qingdao or Quito?
Qingdao - 6 million, Quito - 2.7 million
18.
Rabat or Rome?
Rabat - 2 million, Rome - 3.6 million
19.
Sao Paulo or Seoul?
Sao Paulo - 22.2 million, Seoul - 24.7 million
20.
Taipei or Tehran?
Taipei - 9.1 million , Tehran - 15 million
21.
Ulaanbaatar or Uppsala
Ulaanbaatar - 1.1 million, Uppsala - 200,000
22.
Vancouver or Vienna
Vancouver - 2.8 million, Vienna - 2.3 million
23.
Warsaw or Washington D.C?
Warsaw - 2.3 million, Washington D.C - 8.6 million
24.
Xiamen or Xi'an?
Xiamen - 9.9 million, Xian - 6.8 million
25.
Yaounde or Yerevan?
Yaounde - 3.3 million, Yerevan - 1.5 million
26.
Zagreb or Zurich?
Zurich - 1.4 million, Zagreb - 800,000