It's the perfect place - crystal clear water and long sunny days. It's Blue Water Beach but the locals call it 'Heaven'. Bang in the middle is a surf academy where each year seven lucky students are selected for a year long program.
In this century the world's population will grow dramatically older. The second episode takes us into the lives of people across the world already impacted by the inevitable march of global ageing. In China we reveal the plight of the elderly in the countryside, who've been left to fend for themselves as families shrink.