Spiral light bulb in a dark room. Original public domain image from Wikimedia Commons https://www.rawpixel.com/image/3298369/free-photo-image-awesome-cc0-creative-commonsFree Image from public domain licenseClose-up of the definition of the word “focus” in a French dictionary. Original public domain image from Wikimedia Commons https://www.rawpixel.com/image/3301781/free-photo-image-book-page-paperFree Image from public domain licenseBiola University, La Mirada, United States. Original public domain image from Wikimedia Commons https://www.rawpixel.com/image/3301439/free-photo-image-cc0-creative-commonsFree Image from public domain licenseA hallway of marble arches and stone columns in Paris, France.. Original public domain image from Wikimedia Commons https://www.rawpixel.com/image/3297500/free-photo-image-corridor-aisle-cc0Free Image from public domain licenseA macro view of snow covered wheat.. Original public domain image from Wikimedia Commons https://www.rawpixel.com/image/3297946/free-photo-image-cc0-creative-commonsFree Image from public domain licenseA stack of old books next to a vintage lamp. Original public domain image from Wikimedia Commons https://www.rawpixel.com/image/3304480/free-photo-image-cc0-creative-commonsFree Image from public domain licenseRed and white car light trails on the road at night in Essex. Original public domain image from Wikimedia Commons https://www.rawpixel.com/image/3301044/free-photo-image-asphalt-cc0-creative-commonsFree Image from public domain licenseA patch of yellow daffodils with raindrops on their petals. Original public domain image from Wikimedia Commons https://www.rawpixel.com/image/3301960/free-photo-image-blossom-cc0-creative-commonsFree Image from public domain licenseWildflower in grassy field at daytime with blurry background. Original public domain image from Wikimedia Commons https://www.rawpixel.com/image/3301895/free-photo-image-blossom-cc0-creative-commonsFree Image from public domain licensePerfumed. “What she could she did: she has perfumed My body in preparation for My burial.”. https://www.rawpixel.com/image/6074167/photo-image-flower-public-domain-plantFree Image from public domain license