Sound on film
'This film presents a revelation of the beauty and colorful activity of the trees of New York State. Beautiful time-lapse pictures show the emerging buds, leaves, and flowerings on the trees. The identifying features on tree branches, flowers, fruit, and bark are shown, utilizing time-lapse photography to show the moving detail," via SUNY College of Environmental Science and Forestry.
Terrence J. Hoverter Archives, SUNY College of Environmental Science and Forestry