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These two renderings are of:
a) The new Academic building (bottom left) which will be the new permanent home for the Institute of Ismaili Studies and the Aga Khan University's Institute for the Study of Muslim Civilizations (ISMC). This building has been designed by Gary Kamemoto of Maki and Associates.
b) The Residence building (large image) which will be the new home for students at the IIS and ISMC. This building has been designed by Stanton Williams Architects.
Both these buildings have many indoor and outdoor gardens within them. The third planned building (no rendering released yet) is currently being referred to as the "The Aga Khan Cultural Centre" designed by Fumihiko Maki.