NEWSDESK

Lights off to protect Earth

作者：21ST

保护环境，全球熄灯一小时。

EARTH Hour is a global (全球的) event. It is on the last Saturday in March. On that day, people turn off their lights for one hour, from 8:30 pm to 9:30 pm. This is to show that they *care about the environment (环境).

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