While on a half vacation, half business trip to the Philippines, photographer Dennis Sapong decided to spend one free hour at the local public market and do some street portrait photography. That hour-long session turned into Project One: a set of photos, each of which was taken with one setting, edited using one preset, and cost him one dollar.
https://petapixel.com/2013/10/01/project-one-one-hour-one-camera-one-setting-one-dollar-per-person/