THE Jabotabek electric train, overloaded with passengers—many of whom are forced to ride on the roofs of the cars—moves sluggishly under its heavy load. The heat inside is unbearable as most of the ceiling fans don't work and the blowers aren't strong enough to cool the air.

In spite of the heat some insensitive passengers continue to smoke their cigarettes, and exhale haphazardly into the faces of other passengers who can only cov