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.
Recognize the signs and symptoms of arthritis. In order to assess how far along your dogâs arthritis is, there are some symptoms that you can look out for that means your dog has full fledged arthritis. These symptoms include: 1  Refusal to jump, run or climb stairs or cars.2  Appearance of stiff and painful joints.n order to assess how far along your dogâs arthritis is, there are some symptoms that you can look out for that means your dog has full fledged arthritis. These symptoms include: 1  Refusal to jump, run or climb stairs or cars.