The link of Rome is fantastic.
This is going to be interesting for you, Gaieus knows about it:
http://www.balawat.com/indos.htm
Sorry, in spanish. But enter and see it:
http://www.balawat.com/foroseg/pgfovir.htm (click on the numbers)
http://www.balawat.com/archcrque/paerea.htm
http://www.balawat.com/molino/pmolino.htm
http://www.balawat.com/calpe/pvicus2.htm
This is at 8 km from where I live: