Mexico City's women water harvesters help make up for drought

MEXICO CITY - Gliding above her neighborhood in a cable car on a recent morning, Sonia Estefania Palacios Diaz scanned a sea of blue and black water tanks, tubes and cables looking for rain harvesting systems.

'There's one!' she said, pointing out a black tank hooked up to a smaller blue unit with connecting tubes snaking up to the roof where water is collected.

'I'm always looking for different rainwater h