What does the world look like (wealth and health) over the past 200 years, but squeezed into 4 minutes. Hans Rosling looks at the change in a income and life expectancy for countries across the world over the past 200 years. What’s nice about this visualization is that it’s color coded to be able to show how different regions changed over time. We can also see how globalization has affected major countries like China, Japan, and India.