by Xinhua writer Zhou Qianxian
BEIJING, March 28 (Xinhua) -- On Saturday night, I participated in the Earth Hour lights-out activity in China's host city Ordos. It was a deeply moving experience.
From 20:30 to 21:30, all iconic public buildings in Ordos in north China's Inner Mongolia, went dark, joining landmarks worldwide including the Eiffel Tower, the Sydney Opera House and the London Eye.
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