About 20 Chinese cities joined a worldwide relay on Saturday night to switch off lights of major buildings for one hour to highlight concerns about climate change while calling for actions.
上周六晚上全中国有二十多个城市参加了全球性的应对气候变化，城市主要建筑物熄灯一小时的活动。
About 20 Chinese cities joined a worldwide relay on Saturday night to switch off lights of major buildings for one hour to highlight concerns about climate change while calling for actions.
上周六晚上全中国有二十多个城市参加了全球性的应对气候变化，城市主要建筑物熄灯一小时的活动。
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