Those streets light are powered by both solar and wind energy: they make a compensating pair that both sunny and rainy days can garantee the illumine.
第一次看到这种既有风力发电机、又有光伏发电板的路灯,即使是阴雨天气也能保证照明,而且两种方式同时供电,路灯亮度也可以双倍增加了。开车的时候路两旁的小风扇都转了起来,这时候不禁yy自己如果开敞篷车头发飘起来再加无人机从天空拍摄,那绝对是大片。