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ADVANCE FOR WEEKEND EDITIONS - In this May 22, 2017, photo, spokesman Gunnar Olson shows off the Des Moines Area Metropolitan Planning Organization's new "data bike" equipped with sensors and a GoPro camera in Des Moines, Iowa. (Zach Boyden-Holmes/The Des Moines Register via AP)

ADVANCE FOR WEEKEND EDITIONS - In this May 22, 2017, photo, spokesman Gunnar Olson shows off the Des Moines Area Metropolitan Planning Organization's new "data bike" equipped with sensors and a GoPro camera in Des Moines, Iowa. (Zach Boyden-Holmes/The Des Moines Register via AP)

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