Impressive designs and concepts which will persuade us to think outside of the box are these on the images below (Impressive Concepts and Designs). The ideas are very peculiar and unique. Yet, they are very stylish, with clever design and purpose. We write purpose, because most of these concepts are Eco-friendly and serve to the environment in the otherwise polluted cites. They work on human power, or they protect citizens from the rain or else. They can be easily modified according to the needs at the moment.