To all : Do you know cave - sundials ? The first time I read of it in the book : "Hoehlen als fruehe Observatorien" (caves as early observatories). The book is written in German :
Herbert G. HOFER : "Hoehlen als fruehe Observatorien", published by Verlag Jost-Jetter, D-71296 Heimsheim 1996, ISBN 3-931-388-06-9, 64 pages, DIN A4, paper cover, price unknown. For example in the book are described : Cave from New Grange in Ireland Cave or grotto at the mountain Ida, Crete Cave labyrinth at Schwaebisch Gmuend, Germany Cave labyrinth "Grosses Schulerloch", Altmuehltal near Kehlheim, Germany The author supposes, that caves functions with a ray of light like sundials. One found in the caves engraved lines, according to the bow of the sun. Karl Schwarzinger [EMAIL PROTECTED]
