US Department of the Interior @Interior
.@GreatBasinNPS is one of the darkest spots in the U.S. What better time to appreciate this park's clear night sky, then on International Day of Clean Air? Good air quality and a lack of light pollution give visitors majestic starry views of Wheeler Peak. Pic by John Vermette https://t.co/JvClVwcl4R — PolitiTweet.org