Zhu said some trains on the Bejing-Zhangjiakou line are "smart" as they provide 5G signals and wireless charging for passengers, as well as intelligent lighting.

朱说北京到张家口线上的一些火车很“智能”。车上有 5G 信号覆盖，为乘客提供无线充电以及智能照明。

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Zhu said that there were soon five runners huddling in the cave, and he then decided to go outside to try to attract the attention of rescuers.

朱说，很快就有五名运动员在山洞里挤作一团，然后他决定到外面去，试图引起救援者的注意。

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"I just did what I had to when I saw that these people were in danger. I think everyone would do the same thing in such a situation," Zhu said to Beijing News.

“当我看到这些人处于危险中时，我只是做了我必须做的。我想在这种情况下，每个人都会这么做。”朱对《新京报》说。

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Then Zhu said he would accept Hsieh's reciprocal invitation to go to Kaohsiung.

CNN: ?>?magazine

During the interview, Mr Zhu said he had more sex videos of officials and refused to hand them over to Chongqing police.

BBC: China media: Sex videos and houses

"Some people may not have thought about stabbing school children, but due to the media's coverage of such a case, they got an idea, " Zhu said.

CNN: Schools in China prepare for copycat attacks