The border traverses a variety of terrains, ranging from major urban areas to uninhabitable deserts. Approximately 350 million legal crossings occur annually, and is the most frequently crossed border in the world. The total length of the continental border is 1,954 miles (3,145 km).
Only a veterinarian will know what's wrong with your dog but usually stumbling, wobbling and falling down is associated with neurological problems, especially if there aren't any other signs. I would really take him to the vet as soon as you can.
To investigate further, try taking a look down your dog's throat. Get a flashlight or take your dog to a spot with very good light. If you can, get someone else to help out. Begin by petting your dog the way you normally would.In a few minutes, begin rubbing her ears and working your way to her muzzle.o investigate further, try taking a look down your dog's throat. Get a flashlight or take your dog to a spot with very good light. If you can, get someone else to help out. Begin by petting your dog the way you normally would.