Unknown prehistoric  civilization built lava stone pyramids?

Thanks to Nunzio Cartalemi we have excellent fotos of the Sicily pyramids. With his authorization I publish a selection here. For further inquiry pls. refer to Nunzio Cartalemi cartalemi@hotmail.com

Also see website of Giuseppe Tropea for more info http://www.ipaesaggi.it/novit%E0/Piramidi.htm

http://www.antikitera.net/download%5CPiramidi_Brianzole.pdf

http://www.croponline.org/piramidisicilia.htm 

More pyramids in Sicily: 4km from Pietraperzia the pyramids of Cerumbelle, a huge construction, with 4 ramps of stairs and altars on top; constructed of massive stones, precisly cut and placed; the whole complex a masterpiece of stone masonry.
a large foto gallery comparing Sicilian and Canarian pyramids here