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.
Like humans, dogs shiver or tremble for a wide variety of reasons. They will most commonly do it when they are cold, hungry, anxious, or frightened.Some dogs will do it if their blood sugar is dangerously low or immediately prior to having a seizure.ike humans, dogs shiver or tremble for a wide variety of reasons. They will most commonly do it when they are cold, hungry, anxious, or frightened.