Earth Day, is for celebrate the move of awareness to the natural environment. First founded by United States Senator, Gaylord Nelson, held on 22 April, 1970. For more information you can go to wikipedia.org.
This amazing doodle is a dynamic image, there are 9 animals here. Lion, panda, koala, frog,bird, butterfly, pig, penguin, fish. With a waterfall stream. When I hover a mouse on the tree or water or on the animal picture, the animal will do some action.