An army matron from the General Hospital, Dar-es-salaam, Tanganyika. Coloured lithograph. https://www.rawpixel.com/image/13969740/image-person-art-hospitalFree Image from public domain licenseAn orange headed lizard with a blue body crawling on a rocky surface in Ruaha National Park. Original public domain image… https://www.rawpixel.com/image/3288692/free-photo-image-stone-adventure-africaFree Image from public domain license