![People make paper log books to measure and document local river flow rates at a workshop led by Jonathon Keats, an American conceptual artist, on Saturday, Sept. 18, 2021, in Atlanta. Keats is in the process of devising a municipal clock to be located in Atlanta which would display time based on the flow rate of local rivers and waterways. Keats envisions the project as a way for people to have a closer connection with their natural surroundings.](https://www.gpb.org/sites/default/files/styles/flexheight/public/2022-02/paperlogbooks.jpg?itok=K6DRyfNF)
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People make paper log books to measure and document local river flow rates at a workshop led by Jonathon Keats, an American conceptual artist, on Saturday, Sept. 18, 2021, in Atlanta. Keats is in the process of devising a municipal clock to be located in Atlanta which would display time based on the flow rate of local rivers and waterways. Keats envisions the project as a way for people to have a closer connection with their natural surroundings.
Credit: AP Photo/Ron Harris