A road in Colorado is closed indefinitely due to a massive rock slide that produced two boulders large enough to wipe out a significant portion of the pavement.
원문출처 : https://www.cnn.com/2019/05/25/us/huge-boulder-blocks-co-highway-trnd/index.html
원문출처 : https://www.cnn.com/2019/05/25/us/huge-boulder-blocks-co-highway-trnd/index.html