Lying horse by Jean Bernard (1775-1883). Original from the Rijks Museum. Digitally enhanced by rawpixel. https://www.rawpixel.com/image/481574/free-illustration-image-horse-sleeping-jean-bernardFree Image from public domain licenseProcessing of tea (Camellia sinensis) in China: one man carries a tray of leaves towards the oven for firing, while another… https://www.rawpixel.com/image/13986125/image-cartoon-face-personFree Image from public domain license