As the road closings hindered traffic like the one in the Mt Zion National Park, Utah on Wednesday, August 10, 2016. The great large boulder crashed from the mountain covered the road to thru traffic. Park officials closed the road until they begin removable of the gigantic rock. A geologist has be appointed with directions of the best possible way to have the boulder removed. The park is visited by 3.6 million people yearly, however re-routing traffic around other ways did not prevent the park from opening. The boulder is described as being house sized weighing several tons. The heavy rains was said to have caused the boulder rock to soak and fall away to the road.
"And the walls came tumbling down. .." I reckon so... WE WATCHED O_O Photo below