Hundreds of thousands of people live downriver from a dam in California that recently had its risk characterization changed "from low to high urgency of action" by the US Army Corps of Engineers.
원문출처 : https://www.cnn.com/2019/11/04/us/california-dam-danger/index.html
원문출처 : https://www.cnn.com/2019/11/04/us/california-dam-danger/index.html