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An accident happens in China. People build a tunnel. It will be a tunnel for trains. The tunnel falls down. We don’t know why.Twelve workers are in the tunnel. They cannot get out. They are in danger. People try to save the workers. It takes them 63 hours.All of the workers live. Not all of them can walk. They are taken to hospital.
accident happens حادثه اتفاق افتاد
falls down فرو ریختن
get out خارج شدن
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