At the start of the 20th century, just 10 percent of the world's population lived in cities. Today this figure already stands at 50 percent. By the end of this century, humanity will be an overwhelmingly urban species. The Urban Age has begun. But what should the cities of the future look like? How should they function? Urban planners are broadly in agreement that they should be green and efficient.
Narrator
It's a condition known as "hypertrichosis" or "Ambras Syndrome," but in the 1500s it would transform one man into a national sensation and iconic fairy-tale character. His name: Petrus Gonsalvus, more commonly known today as the hairy hero of Beauty and the Beast.
