中國(guó)網(wǎng)站品牌欄目（頻道）
Beijing's National Grand Theater is seen before (top) and during Earth Hour, in this combination picture March 27, 2010. Earth Hour, when everyone around the world is asked to turn off lights for an hour from 8.30 p.m. local time, is meant as a show of support for tougher action to confront climate change. [Agencies]
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