Watch Online Free HD Solarmovies. In CATHEDRALS, filmmaker Dan Algrant embarks on a journey to reconnect with two black collaborators from a film made nearly 50 years ago. CATHEDRALS becomes a powerful exploration of the bonds that tie us together and the experiences that shape our identities. Through the lens of a creative collaboration, the film illuminates the struggles and triumphs that define life in a close-knit community, ultimately reaffirming the importance of human connection and the power of collective memory.