各家各户坐在位于巴格达卡瑞达高档社区的公园中吃宵夜，头上的风扇吹着冷气。
Sitting beneath fans spraying a cool mist, families savor evening snacks at a park in Baghdad's upscale Al Karradah district.
冷气随后用风扇排入封闭空间，冷却了屋子，稳定了湿度。
The cold air was then expelled into a closed space using a fan, cooling the room and stabilizing the humidity.
在夜间用电费用较低的一些国家，空调设施另有一套运作方式——夜间制造一些冰块，到白天风扇就对着冰块吹风来制造冷气。
In countries where electricity is cheaper at night some air-conditioning machines now take a different approach. As the evening beckons, they start making ice.
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