National Geographic to air Megacities

National Geographic channel is showing mega-series Megacities on Sunday, Sept. 18. Eight hour-long episodes will air back-to-back beginning at 12 p.m. with repeats beginning at 8 p.m. The series goes in-depth to examine the cities' 'vital organs' such as power grids, transportation systems and water supply. Megacities will look at the urban centers of Las Vegas, Mexico City, Hong Kong, London, Paris, Sao Paulo, Mumbai and New York.

National Geographic channel is showing mega-series Megacities on Sunday, Sept. 18. Eight hour-long episodes will air back-to-back beginning at 12 p.m. with repeats beginning at 8 p.m. The series goes in-depth to examine the cities’ ‘vital organs’ such as power grids, transportation systems and water supply. Megacities will look at the urban centers of Las Vegas, Mexico City, Hong Kong, London, Paris, Sao Paulo, Mumbai and New York.