People from moderate image zones rejoice! This umbrella will not give up on you. Frankly the traditional design has been with us for centuries. Time for change.
Air is everywhere on the earth. The flowing air can change the moving path of the object. The faster the air moves, the greater the energy is. The jet airflow can isolate some objects. So when we make use of the airflow, we can protect ourselves from the rain drops. Then the airflow forms an umbrella without a visible cover.
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