Submerged tree in the Green Lake. The Green Lake or Grüner See is a lake in Austria that dries out almost completely during fall, is used as a county park in the winter and is famous for the underwater park which forms during the spring due to the
Submerged tree in the Green Lake. The Green Lake or Grüner See is a lake in Austria that dries out almost completely during fall, is used as a county park in the winter and is famous for the underwater park which forms during the spring due to the