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Deepen cycle is a bike which can improve the environment . The bike can purified the air through the frame . The color of the frame will get deeper and cooler with the growth of mileage . You can know how long you have been riding and how much contribution you have made for environment intuitively based on color . It can enhance consciousness of environment awareness .
The design stands for a healthy and sustainable way for urban residents to go outside .
Zhejiang University of Technology