NASA astronauts Kjell Lindgren, Jessica Watkins, and Robert Hines participate in STEM demonstrations with local students at the Martin Luther King Jr Memorial Library, Thursday, March 30, 2023, in Washington. Lindgren, Hines, and Watkins spent 170 days in space as part of Expeditions 67 and 68 aboard the International Space Station.
https://www.nasa.gov/image-detail/nasas-crew-4-qa-with-students-at-martin-luther-king-jr-memorial-library-2/