With France under nationwide curfew from 6pm to 6am, the usually crowded Champs-Élysées in the centre of Paris is all but empty these days. But that has not stopped businesses along the avenue continuing to keep their signs and advertisements turned on. Now a group of parkour climate activists have begun climbing buildings to turn off the signs as part of the Lights Off movement, which seeks to take a stand against light pollution. Since going viral on TikTok, similar actions have started taking place in other French cities
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