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.
Watch For Early Signs of Illness. For the first few months, puppies are more susceptible to sudden bouts of illnesses that can be serious if not caught in the early stages. If you observe any of the following symptoms in your puppy, itâs time to contact the vet.1  Lack of appetite.atch For Early Signs of Illness. For the first few months, puppies are more susceptible to sudden bouts of illnesses that can be serious if not caught in the early stages. If you observe any of the following symptoms in your puppy, itâs time to contact the vet. 1  Lack of appetite.