Japan's second-largest city, has a population of 18 million and is known for its food, entertainment, and cultural landmarks.
India's financial capital, has a population of 21 million and is a busy city with a vibrant culture, historic landmarks like the Gateway of India, and a huge film industry.
China's capital city, has a population of 22 million and is known for its rich history, cultural landmarks like the Great Wall and a growing economy.
Mexico's capital, has a population of 22 million and is a metropolis with cultural landmarks like the Palacio de Bellas Artes.
Egypt's capital city, has a population of 22 million and is a historic city with ancient landmarks like the Pyramids of Giza, and the Nile River.
Brazil's largest city, has a population of 22 million and is a vibrant cultural centre, known for its music, art, and cuisine.
Bangladesh's capital city, has a population of 23 million and is a busy city with cultural landmarks like the Lalbagh Fort, and a growing economy.
China's largest city, has a population of 29 million and is a global financial centre.
India's capital city, has a population of 33 million and is a hub for politics, culture, and cuisine.
Japan's capital city, is the world's most populous city, with 37 million people, and is known for its Japanese culture, night skyline and historic landmarks like the Tokyo Tower.