20:30 the darkness begins to cover the streets. Around Sword Lake, coffee shops and restaurants light candles for guests. In the hour of the earth, March 31, a lot of people in Hanoi go to the streets to join the Earth Hour program.

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20:30, Dinh Tien Hoang Street at Sword Lake begins to sink into darkness.

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A restaurant on Trang Tien street lit candles in front of the steps.

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The shops, homeowners also vaguely traded with guests with the light from the candle.

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At the August Revolution Square, young people poured in and lit candles.

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They gathered around the candles lined with figures of 60, a symbol of 1 hour many countries around the world participated in the campaign to protect the environment.

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Young children and young girls are excited to participate on Ly Thai To street.

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Nguyen, 9 years old, a student of Trung Vuong school, followed the brothers and sisters to the streets to join the campaign.

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Join the rhythm to sing the song about the earth.

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Mr. Ly and Mr. Thuy and his wife took their children to enjoy Earth Hour.

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Group of students of Economics Faculty, Open University of Hanoi enjoy taking photos.

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Participating in the Earth Hour on March 31, not only Vietnamese youth but also foreign visitors.

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The symbol of Earth Hour this year is 60+, showing a specific call for action for the Earth, in addition to raising awareness as in previous years.