“It is a sight to behold: like a giant spider web - dozens upon dozens of rope bridges and lines are strung between the hills of the district. And the people. They move along these slender swaying lines as if they were walking down a boulevard.”, The Journal of Mathius Redcap
Perhaps those that practice elemental magic begin to take on characteristics associated with their chosen element. For instance, an earth elementalist might be prone to agoraphobia, while air and possibly fire elementalists might have problems with claustrophobia. Water elementalists might always seek the path of least resistance. A fire elementalist might have a cat's opinion of water. This could also apply to physical differences. Fire elementalists might have a freakishly high metabolism and a permanently high body temperature. Water elementalists would probably never get dehydrated, but might slow down a lot when it's cold. Etc, etc.