http://es.wikipedia.org/wiki/Urbanismo_renacentista

https://www.google.es/maps/place/33057+Palmanova+UD/@45.9055387,13.3100283,15z/data=!3m1!4b1!4m2!3m1!1s0x477bb089f331a869:0x5d2129dbb7a04c79

http://sidddi.es/palmanova