http://it.wikipedia.org/wiki/File:Rotonda_del_brunelleschi_12.JPG

http://2.bp.blogspot.com/_XyR4SOk1164/R6_DOaiHHMI/AAAAAAAAADM/15_Da-jyQWA/s320/santamariaangeli.jpg

http://www.vitruvio.ch/arc/renaissance/italy/santamariaangeli.php#.U4EdPvl_uSo

http://3.bp.blogspot.com/-FQOM2jafL-0/TkrhBIjfObI/AAAAAAAABZY/DojHVpnEXmQ/s640/filippo-brunelleschi-rotunda-of-santa-maria-degli-angeli-begun-1434.jpg

http://danamulranen.files.wordpress.com/2012/02/rotonda_del_brunelleschi_view.jpeg