Between serried ranks of high-rise apartment blocks and shiny new factories turning out wind turbines and solar-powered traffic lights, fields of corn and sunflowers still grow.

• 林立的公寓楼群，太阳能交通信号灯，崭新的工厂源源不断地输出风力涡轮机，还有田野里生长着玉米和向日葵。