Why parched California land is collapsing at rapid rate

California's water emergency is creating a new crisis in one of the world's most important farm regions, the San Joaquin Valley. As farmers pump groundwater to keep their crops alive during the drought, the ground is starting to sink. Ben Tracy shows us how the land is becoming as unstable as the water supply.

Видео Why parched California land is collapsing at rapid rate канала CBS Mornings