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Earth Hour 2019: Cities plunge into darkness as world turns off lights

Eiffel Tower plunge into darkness
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Eiffel Tower plunge into darkness

Millions of people participate from across the world
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Millions of people participate from across the world

'Need of voices to be heard'
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'Need of voices to be heard'

'World's largest grassroots movement'
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'World's largest grassroots movement'

Singapore's skyline go dark
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Singapore's skyline go dark

'Global landmarks flick switch'
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'Global landmarks flick switch'

'In the wake of dire warnings'
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'In the wake of dire warnings'

Mass extinction
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Mass extinction

Saved 258 megawatt (MW) of electricity in Delhi
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Saved 258 megawatt (MW) of electricity in Delhi

Lights-off event is a symbolic gesture
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Lights-off event is a symbolic gesture