designer's own words:‘Namu’ will be installed at places like bus stations, subways, parks. Bicycle generates energy from the back wheel generator. Energy is stored at the battery inside the frame. By connecting the rack and the back of the seat frame, the electricity moves to the battery inside the rack. The energy stored in the rack is used for illumination. Lending public bicycle reduce the uses of car. Air will be clean, and traffic mess will be solved. ‘Namu’ is sufficient enough to alternate the current power source for the street lights into green energy, reducing the use of fossil fuels.