Aga Khan Garden Concept Illustrations A series of waterfalls flow down from the terraces to the Calla Pond. Aerial view of the Aga Khan Garden. Ground-level view of the Aga Khan Garden. An opening in the woods hosts a fountain which reflects the vast blue Alberta sky. An amphitheater in a natural bowl presents new space for programs. The Chahar Bagh reflects the geometry of Islamic traditions. The Bustan is an orchard of flowering trees surrounding the Calla Pond. The terrace overlooks the Calla Pond. A labelled overview of the garden. An overview of the sections in the Aga Khan Garden. Snow will emphasize the geometric structure of the Chahar Bagh.