Final answer:
The Aga Khan Award for Architecture is presented every three years, honoring excellence and the impact on Muslim communities.
Step-by-step explanation:
The Aga Khan Award for Architecture is presented every three years. It is one of the most prestigious awards in the field of architecture, aimed at recognizing architectural concepts that successfully address the needs and aspirations of communities in which Muslims have a significant presence. The award was first presented in 1977 and has since been held every three years to recognize and celebrate architectural projects that demonstrate excellence in design and their contribution to society. The aim of the award is to promote and inspire innovative architecture that responds to the needs and aspirations of communities. The award not only celebrates design excellence but also the projects' social, economic, and environmental impact.