Wow! A very clever crow indeed, he came up with a clever way of using traffic lights and cars to eat his walnuts in a safe place. It is certainly surprising to see how quickly even animals can learn and strategize according to their environment. Reading the story, one also realizes how small everyday objects like traffic lights or cars, become a chance for some animals to ingenuity and survive. It really makes the heart happy to see these small but intelligent creatures of nature.