Curated OER
Animated Map of Human Population
This animated map shows world population growth from the year 1 to 2020 A.D. Note the changing years as you observe the growth on a map of the world.
Curated OER
Unesco: Palau: Rock Islands Southern Lagoon
Rock Islands Southern Lagoon covers 100,200 ha and includes 445 uninhabited limestone islands of volcanic origin. Many of them display unique mushroom-like shapes in turquoise lagoons surrounded by coral reefs. The aesthetic beauty of...