Is urban life better than the countryside? The Indonesian capital has overtaken Tokyo and Dhaka in population size. It is just one of the world's many megacities, with millions of people crammed into dense, sprawling streets.
Jakarta named the world’s biggest city
Urban mayhem: The buzz of thousands of motorbikes and the chatter of millions of voices make up the vibrant soundtrack to life in Indonesia's megacity capital, Jakarta. Glossary
Odours - Smells — especially noticeable or distinctive ones. They can be pleasant or unpleasant.
Indonesian - The country consists of over 17,000 islands in the Pacific and Indian Oceans.
Dhaka - The capital city of Bangladesh, known for its huge population, busy streets and rapid urban growth.
Bangladesh - A country in South Asia with a population of nearly 170 million.
Tokyo - Japan's capital city.
Elites - The richest, most powerful, best-educated or best-trained members of society.
Groundwater - A layer of water which is held underground in soil or rock crevices. It is often used as local drinking water.