underground

The den has collapsed and the pups are trapped underground.

For those of you who still think that uh you know, we've got little green men uh underground somewhere.

Serranías del Burro is prime cattle country and the ranchers provide year-round water for their herds by tapping into underground springs.

STEPHANIE SY: For more than a week, crews have crawled through harrowing, tight spaces underground, looking and listening for any signs of life in the system of a dozen massive hydropower tunnels and navigating around tons of water and debris.