Why choosing highways? Didn't it has any negative effect? If there were more than ten dogs in this picture, then a ditch would occure in the middle of the road. I can only say that it has good teeth with a sensitive smell, which has nothing to do with its muscularity.
Drill-down:
It is used to describe articles that are stemmed from a single lead article that give a more in-depth or detailed information of the same subject.
