13.2 Amon-Mut-Khonsu temple, Luxor
(http://www.greatbuildings.com/buildings/Temple_at_Luxor.html)

13.4 Temple of Athena Nike, Kallikrates
(http://www.greatbuildings.com/buildings/Temple_of_Athena_Nike.html)

13.12 Cathedral of Le Mans, France
(http://en.wikipedia.org/wiki/Image:Le_Mans-Cath%C3%A9drale.jpg)

13.17 Hagia Sophia, Istanbul
(http://www.greatbuildings.com/buildings/Hagia_Sophia.html)

13.18 Taj Mahal, Agra, India
(http://www.greatbuildings.com/buildings/Taj_Mahal.html)

13.23 Wainwright Building, Louis Sullivan
(http://www.greatbuildings.com/buildings/Wainwright_Building.html)

13.27 R. Buckminster Fuller, U.S. Pavilion Expo 67, Montreal
(http://www.architecture.uwaterloo.ca/faculty_projects/terri/expo67.html)

13.39 Rural Studio & Samuel Mockbee, Bryant House, Mason's Bend, Alabama
(http://www.architectureweek.com/2000/0823/design_1-2.html)

13.43 Renzo Piano, Jean-Marie Tjibaou Cultural Center, Noumea, New Caledonia
(http://www.galinsky.com/buildings/tjibaou/index.htm)

13.45 Shigeru Ban, Japan Pavilion, Hanover Expo, Germany
(http://www.shigerubanarchitects.com/SBA_WORKS/SBA_PAPER/SBA_PAPER_10/SBA_paper_10.html)