Public domain
NASA Earth Day 2019
From the collection of NASA Image and Video Library. Free to download, adapt and use — no permission needed.
About this work
Travelers walk past NASA's exhibits at the Earth Day event held at Union Station on Monday, April 22, 2019, Washington, D.C. Photo Credit: (NASA/Joel Kowsky)
NASA Image and Video Library’s own descriptionCredit lineNASA Earth Day 2019. NASA/HQ, 2019-04-22. Public domain. ID: NHQ201904220002.
