Prunella modularis, photographed in Haan, Germany in March, 2021. Original public domain image from Wikimedia Commons https://www.rawpixel.com/image/3340737/free-photo-image-animal-anthus-birdFree Image from public domain license
Gotthard-Interregio kurz nach Gurtnellen / Gotthard interregio train after Gurtnellen. Original public domain image from… https://www.rawpixel.com/image/3341020/free-photo-image-train-cc0-creative-commonsFree Image from public domain license
A pair of glasses on an open book. Original public domain image from Wikimedia Commons https://www.rawpixel.com/image/3296484/free-photo-image-accessory-cc0-creative-commonsFree Image from public domain license
A red poppy flower covered with small droplets of water. Original public domain image from Wikimedia Commons https://www.rawpixel.com/image/3292591/free-photo-image-blossom-cc0-creative-commonsFree Image from public domain license