Epi 70: Why lights on Eiffel tower and skyscrapers in Europe will be turned off this winter

Eiffel tower is synonymous with its colourful lights at night. But the electricity shortage in Europe has forced the mayor of Paris to announce that lights will be turned off on the Eiffel tower an hour earlier than usual (by 11pm). Many monuments and government buildings across Europe (Germany and Spain included) will be turning off lights at night for the first time in decades. People have been asked to save electricity by not heating their homes beyond 19C. What's worse, many parts o...