Organized by the Triennial of Architecture Lisbon, Open House is an annual event that, over a single weekend, opens the doors of more than 70 locations to the public. Designed to celebrate architecture and make it accessible to all, the event offers entry to a wide variety of spaces from private homes and co-working studios to a former prison.

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Given the impossibility of covering all sites, the project relied on crowdsourced contributions, gathering photos from participants throughout the weekend. Much like architecture itself, the resulting film is not solely the creation of the director or architect, but a collective work shaped by everyone who experiences and engages with it.