HartsfieldâJackson Atlanta International Airport has been the world's busiest airport every year since 2000; with all airports combined London has the world's busiest city airport system by passenger count.
Tension or Temperature. Dogs may shake as a way of relieving tension. If a dog is feeling nervous or uncomfortable in a situation, it might shake the whole body as a way of shaking out tension. This behavior also may function as a means of getting attention from other dogs or people.
I happened to be shaking at a particular time under a particular circumstance but this stress behaviour would not be applicable to my more general personality. So when we come to the question of why dog dogs shake, we must delve a little deeper.