本帖最后由 JoyceAccSG 于 2012-3-31 20:44 编辑 # k& s0 c" [6 l. I1 @" R) _" w d/ q$ j4 E! s8 V8 _* C9 L, x( H
Participants around the world turn off their lights to mark Earth Hour 2012 on Saturday, March 31." ]1 ^7 H2 \; T& h
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Local time 8:30pm