The Evolution of London's Underground Map

We hear about a huge summer water fight that brings joy to young and old at a preschool with a difference. All Seasons in Minnesota is run inside a care home for older people -- where the children learn from their elders, and make them smile. Also: How breastfeeding women helped an Orangutan at Dublin Zoo learn to care for her baby. The first person to swim from Italy to Albania tells us about the gruelling event - and how a delivery of ice cream in the middle of the sea kept her going. We meet the Nigerian table tennis players making history as the first African couple to compete at the Paralympics. And we hear about a new version of London's famous tube map.

Our weekly collection of happy stories and positive news from around the world.