‘Stay out of the water’: what lurks below California’s zombie lake?

Winter storms inundated an industrial agricultural area the size of Lake Tahoe, flooding fields, homes and electricity grids

There are portions of California's Tulare Lake, with its blue water that stretches for miles and birds bobbing around the shoreline, where it can be easy to forget that a few months ago, none of this was here at all.

But then an irrigation hose or a fence post or a power line pokes through the surface, reminding passersby and authorities tasked with patrolling the lake what lies under the water.