 | Bloomberg News. April 23, 2022. Retrieved April 26, 2022. "上海敲锅抗议被指「境外势力」 北京五一就地过节 | DW | 29.04.2022". Deutsche Welle (www.dw.com) (in Chinese (China)).... 59 KB (6,552 words) - 23:43, 17 September 2023 |
 | The New York Times. ISSN 0362-4331. Retrieved 2021-07-21. "雨水如何进入地铁轨道？五问郑州地铁5号线积水事件" [How did the rainwater enter the subway rail? Five questions on Zhengzhou... 12 KB (782 words) - 14:57, 1 February 2024 |