A rocky plain with flat mountains on the horizon on a cloudy day. Original public domain image from Wikimedia Commons https://www.rawpixel.com/image/3291015/free-photo-image-cc0-cloud-pictures-imagesFree Image from public domain licenseArmed men riding on camels in the desert during a sand storm. Watercolour by A.O. Lamplough, 19--. https://www.rawpixel.com/image/14011485/image-person-art-watercolourFree Image from public domain licenseRainbow sky landscape mountain. AI generated Image by rawpixel. https://www.rawpixel.com/image/12005183/photo-image-cloud-sunset-skyView licenseStormclouds illuminated by lightning; 2015 Night Sky Festival; 2015 Night Sky Festival https://www.rawpixel.com/image/8729985/photo-image-plant-sunset-treeFree Image from public domain licenseErosion on Coalins Forest and Game Reservation between Cumberland and Tennessee Rivers in Kentucky. Sourced from the Library… https://www.rawpixel.com/image/12264926/photo-image-person-sky-forestFree Image from public domain licenseDust storm on desert. Nye County, Nevada. Sourced from the Library of Congress. https://www.rawpixel.com/image/12275147/photo-image-cloud-sky-public-domainFree Image from public domain license