1 الموسم
5 حلقة
How Cities Work - Season 1 Episode 1 الحلقة 1
Electricity powers the life support systems that keep our cities running. Lights, trains, communications, even hospitals rely on this invisible force. Without it, our cities stop working and lives are at risk.
- عام: 2013
- بلد: United States of America
- النوع: Documentary
- ستوديو:
- الكلمة الرئيسية:
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- المصبوب:
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