- School of Archaeology and Ancient History Clive Ruggles's homepage Photographs of Teotihuacan, Rano Raraku and Drombeg Copyright Clive Ruggles, University of Leicester. Indigo is no more! .. Apologies if, as a result of the URLs given in some recent publications, such as issue #33 (September 1999) of Archaeoastronomy and Ethnoastronomy News, you are trying to trace obsolete Web pages on the ...www.le.ac.uk/ar/rug