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.
When puppies are biting and nipping each other it only stops when one puppy lets out a yelp. We can use this natural way dogs learn by letting out an Ouch! or an Arrr! every time one of our puppy's bite. The trick is to startle your dog with your voice, and then pull away and stop playing with your puppy for a while.