At least 16 workers in southwest China were killed after they became trapped underground in a coal mine and exposed to unsafe levels of carbon monoxide, Chinese state media reported.
원문출처 : https://www.cnn.com/2020/09/28/china/china-coal-mine-accident-intl-hnk/index.html
원문출처 : https://www.cnn.com/2020/09/28/china/china-coal-mine-accident-intl-hnk/index.html