Community buildings are indispensable social hubs, service providers, and points of intersection among a city’s diverse peoples. Like a public square, a successful community building is universally inclusive and nimbly evolves throughout a day — a place for seniors in the morning, for children after school, and for community groups in the evenings. At their best, they exert a gravitational rhythm, drawing people inward even as their influence radiates outward to enrich the life of the neighbourhood.