mature tourists-cavers explore the grotto in the atysh karst cave and the stream flowing from it.

longevity healthy lifestyle adventure attractions beautiful brook canyon cavern cliff color curiosity dark deep drop ecology entrance erosion excursion formations geology gorge green grotto hiking inside interior landscape limestone loch marble natural nature nice park recreation recreational rock scenery scenic seeping speleology stone stream subway tourism tourist travel underground water waterfall mature tourists-cavers explore atysh karst cave flowing bashkortostan