not thinking. . . . Some day, all this will have to be developed, carefully printed, fixed.” —Christopher Isherwood
Be a camera.
It’s easy to get into the habit of not seeing. As a writer it’s important to notice small details, and to be alert to the possibilities of stories. Go somewhere, or stay somewhere, and notice, passively, carefully, everything that is in your environment. Describe it all. No commentary, no interpreting, just noticing and recording. Later you can return to the description and mine it for stories or experiences.