St. Mark's sunset (ca. 1901-1905) drawing in high resolution by Joseph Pennell. https://www.rawpixel.com/image/8648665/image-art-vintage-public-domainFree Image from public domain licenseMany of our USGS folks have the unique opportunity (compared to those of us working behind the desk all day) of seeing the… https://www.rawpixel.com/image/4043689/photo-image-cloud-light-sunFree Image from public domain license