Green Sanctuary will host Gateway Greeningâ€™s St. Louis Community Garden Summit Movie Night. â€œUrban Rootsâ€ Urban Roots is a timely, moving and inspiring film that speaks to a nation grappling with collapsed industrial towns and the need to forge a sustainable and prosperous future. (Watch the preview for the film in Fellowship Hall this morning!) Film Screening. Friday, February 15. Doors open at 6:00 p.m.. Film starts at 6:30 p.m.. Hope Chapel at First Unitarian. Register online at gatewaygreening.org Free, but must pre-register.