Edinburgh, Scotland, is a great example of sustainable urban living. The poster promotes environmental awareness and includes photos of the city's famous buildings, native Scottish plants, and the modern electric tram system. It uses a layered collage technique to show the balance between the built and natural environments. The poster also features environmental facts that teach viewers why Edinburgh is a leading green city, highlighting its many green spaces, commitment to public transportation, and clean energy efforts. The design combines realistic images and different textures, creating an engaging and informative piece.