Three year old girl named Alida Knobloch suffers a serious illness,
because of which she is forced to always breathe through a tube,
which feeds oxygen to the lungs from the container.
Otherwise, the girl would quickly overwork and live a normal life it would be simply impossible.
Earlier than usual walk in the park was not easy, as the balloon weighs a lot,
and Alida could not always wear it for a backpack.
Parents are advised to get a dog that could easily go for the girl with a balloon attached on the back.
Now specially trained dog and girl are inseparable, they became friends luchshemi.