“Fairy Kingdom”, a cave inside the Saalfeld Fairy Grottoes in Germany

Published February 4, 2016 in The Lake Isle of Innisfree, by W.B. Yeats | Full size is 3286 × 2400 pixels

“Fairy Kingdom”, a cave inside the Saalfeld Fairy Grottoes in Germany Ansgar Koreng / CC BY 3.0 (DE).