It's not so common (even rare since socialist party took the power here) that I find the government had a real good idea.
Allover the country, for energy economy purposes, " For shops, commercial centres, and museums, “the lighting of windows must be switched off by 1 am, or one hour after [everyone has left], whichever happens last.” "
http://www.thelocal.fr/20130701/city-of-light-set-for-dark-nights-amid-energy-law
I always found so stupid to have skyscrapers empty offices left with lights on everywhere .... and those neons still lit at 4 AM ... for who ?
Allover the country, for energy economy purposes, " For shops, commercial centres, and museums, “the lighting of windows must be switched off by 1 am, or one hour after [everyone has left], whichever happens last.” "
http://www.thelocal.fr/20130701/city-of-light-set-for-dark-nights-amid-energy-law
I always found so stupid to have skyscrapers empty offices left with lights on everywhere .... and those neons still lit at 4 AM ... for who ?