A school bus in Sutton, Massachusetts, lost control before sliding backward down an icy hill and colliding with another vehicle.
원문출처 : http://www.cnn.com/videos/us/2018/01/23/school-bus-icy-hill-crash-orig-bpb.cnn
원문출처 : http://www.cnn.com/videos/us/2018/01/23/school-bus-icy-hill-crash-orig-bpb.cnn