1Cairo, Egypt
Back in the days of the ancient Egyptians, Cairo was a major attraction and Egypt's capital remains so today. Tom finds out what it's like to live in one of the largest cities in Africa and by far the largest in the Middle East. Because in recent years, with more than 22 million inhabitants, the Cairo metropolis is in danger of completely bursting at the seams. A "new Cairo," 45 kilometers from the current city, is therefore in the making.
2London, United Kingdom
3Ulaanbaatar, Mongolia
4Los Angeles, United States
5Mexico City, Mexico
6Mumbai, India
7Nairobi, Kenia
8São Paulo, Brazil
9Dubai, UAE