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.
Eyes are open, they can hear and puppies can now regulate their body temperature-they pee and poop freely. Basically they are born. Teething begins. They begin to start to walk, stumble around and even play and bark.