In just over three years, two dams have collapsed in the same Brazilian state, leaving thousands of families in mourning. This time, some Brazilians say they fear that the country's monitoring system is deeply flawed.
원문출처 : https://www.cnn.com/2019/01/30/americas/brazil-dam-collapse-vale-mining-regulations-intl/index.html
원문출처 : https://www.cnn.com/2019/01/30/americas/brazil-dam-collapse-vale-mining-regulations-intl/index.html