We often hear about the high pollution levels experienced in Beijing, but in fact Delhi is the most polluted city in the world, by far. The population of 26 million, who inhabit narrow, crowded streets have to contend with having to live in such frightful air pollution. After just a day, or two, I found I had a cough and sore throat. There are no safety nets when you are sick, old or disabled.
Many of these cycle rickshaw riders sleep under their bikes at night. The huge loads they transport around shorten their lives considerably in such appalling conditions. Without these vital people the city would grind to a halt.