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Well-known landmarks all over the world switched off their lights for an hour on Saturday night time as a part of Earth Hour, an environmental consciousness marketing campaign.
The Eiffel Tower in Paris, the Colosseum in Rome and the Parthenon in Athens had been all utilized in switch-offs.
New Delhi's Akshardham Temple, Sydney Opera Home and Sagrada Familia in Barcelona additionally joined in.
Earth Hour is organized by the World Huge Fund for Nature and encourages folks to show off their lights for 60 minutes to lift consciousness of environmental points.