Mexico City: The tool of their trade is a flannel rag and their office is the street. They are the windshield cleaners, and their livelihood is now threatened by parking meters.
More than four million vehicles are on the road every day in Mexico City, one of the biggest, most densely populated cities in the world, where finding a parking place can be a daily headache.
Parking is costly and complicated in the Mexican capital, first because of the want of space, and secondly because the streets are "owned" by the windshield cleaners, who charge a voluntary or set fee for parking a car or just for watching to see that nothing happens to it.