The Kidney lake with members of the white brotherhood dancing around it. They gather every august and dance the Panevritmia dances which clears the mind and the soul. The area is sacred not only to them but to most of the Bulgarians also. There are special energy fields there, you just feel different. The dance is based on planetary movement. Teacher Petar Danov, the Master, created it 70-80 years ago during his stay in the area. People from everywhere come there and are welcomed to dance too.