the water level in California's Lake Berryessa,
has risen so high it is overflowing into what appears to be a gigantic plug hole,
this is a diagram of what is happening, the phenomenon is said be able to continue for the next few months with floods of visitors arriving daily to view it,
the spillway was designed to take in around 48,000 cubic feet of water per second, which is the same thing as draining half of an Olympic-sized pool in one second, "Back in October, we were essentially half full," Roland Sanford, general manager of the Solano County Water Agency, told CBS Today, "This is the first time that the lake has been so low, and filled-up and spilled in one year." what an amazing sight.