Even small actions can cause wide-spread effects . . .

This photo was taken by a Kowa Super 66 medium format film camera with a Kowa 1:5.6/110mm lens and Kowa L39•3C(UV) ø67 filter using Kodak Portra 400 film, the negative scanned by an Epson Perfection V600 and digitally rendered with Photoshop.