Reasons for hospital teaching range from preventing a child falling behind and maintaining the habit of school to keeping a child occupied, and the latter is often all the teacher can do.
It has evolved into today's red packet or lucky money that parents and older relatives give to children during the Lunar New Year to wish them good luck.
In Southwest France in the 1940's, playing children discovered Lascaux Grotto, a series of narrow cave chambers that contain huge prehistoric paintings of animals.
A couple expecting their first child discover an an unnerving difference between themselves and the couple living in the flat below them who are also having a baby.