Man in US operating special movie cameras shooting time-lapse footage of plants and flowers

[Shaky footage throughout] Time-lapse footage of flower opening / close shot of time-lapse movie camera in operation / row of lights for shooting time-lapse footage comes on, turns off / man operates time-lapse camera shooting footage of flowers / closer shot of same man preparing camera to shoot footage, then shooting footage / man operating machinery used in shooting time-lapse footage / close shot of same man's hands setting up machinery / machinery in operation / man writes something on clipboard as time-lapse camera shoots footage / man outdoors walks up to and climbs up ladder next to wooden box holding camera, he opens hatch on side of box / close shot of time-lapse camera inside box / man climbs down ladder from box, walks over to another smaller box and opens hatch on side of that box / three close shots of plant and camera shooting plant inside that box / wider shot of same man closing hatch on side of that box / time-lapse footage of flower / indistinct shot / time lapse footage of group of flowers opening, footage fading into clock on wall / Note: exact year not known