Flash flip book template of City Sky

Since ancient times, the sky is a field of human beings yearning. We made numerous efforts for close to the sky. Even it's the same sky have different look when we look in different places. Living in the busy city, do you ever looked up to the sky occasionally and touched for that limited sky blue? The flash flipping book template of city sky style expresses sky scenes that you can see from cracks of tall buildings, as if it will pull you in it.