Gardens in the sky for Mexico City - 07 Jul 08
- 12 years ago
For years, Mexico City has been high on the list of the most polluted cities in the world.
While medical experts worry about the long-term effects on residents, local authorities have come up with an alternative plan that could help.
Franc Contreras reports.
While medical experts worry about the long-term effects on residents, local authorities have come up with an alternative plan that could help.
Franc Contreras reports.