Packaged pens and redbud tree seedlings lay on the concrete surface during the 88th Civil Engineer Group Arbor Day event on the grounds near the Wright Brothers Memorial, Dayton, Ohio, April 11, 2019. The 88th CEG, gave out redbud tree seedlings to Fairborn High School students for their support efforts to protect the trees and woodlands. (U.S. Air Force photo by Michelle Gigante)