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.
Shake, shiver, and tremble: Why dogs do it. Every dog owner has experienced their pooch shaking off water after a bath or a walk in the rain. But what about other instances of dog shivering, shaking, or trembling? A dog tremble, shake, or shiver can mean all kinds of different things â some good and some bad.