Some humans are born with a set of variable characteristics, which they call Down syndrome. A flying saucer, dinosaurs and storks help us to try to understand what it is and what is the difference between having it or not.
Overview：Some humans are born with a set of variable characteristics, which they call Down syndrome. A flying saucer, dinosaurs and storks help us to try to understand what it is and what is the difference between having it or not.
