Authorities are urging people not to swim in a "zombie" lake that reappeared due to this winter's strong rainfall.
Tulare Lake, located in the San Joaquin Valley of California was once the largest freshwater lake west of the Mississippi River. However, extensive agricultural development and water diversion projects caused it to gradually dry up.
The lake resurfaced this winter due to storms and flooding, but it remains private property and is not safe for recreational activities due to pollutants from farmland and submerged infrastructure.