There are many advantages to riding a bicycle.First,using a bicycle can greatly help reduce the air pollution in many big cities.Apart from this,people can improve their health and muscle by riding a bicycle.The future of bicycle will be bright.In some European countries,city governments have arranged pedestrians to use “public bicycles” to travel round the city center free of charge. There are many advantages to riding a bicycle.First,using a bicycle can greatly help reduce the air pollution in many big cities.Apart from this,people can improve their health and muscle by riding a bicycle.The future of bicycle will be bright.In some European countries,city governments have arranged pedestrians to use “public bicycles” to travel round the city center free of charge.