Man with tattooed legs dangling his feet above the reflective lake waters of Abbots Pool. Original public domain image from… https://www.rawpixel.com/image/3300923/free-photo-image-animal-ankle-barefootFree Image from public domain licenseKing penguin Calgary Zoo.The king penguin is the second largest species of penguin at 70 to 100 cm tall and weighs 11 to 16… https://www.rawpixel.com/image/4025039/photo-image-bird-nature-fishFree Image from public domain licenseThis image was uploaded as part of Wiki Loves e-textbooks contest in Poland. Original public domain image from Wikimedia… https://www.rawpixel.com/image/3338673/free-photo-image-rock-animal-cc0Free Image from public domain license