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China: Three Gorges Dam (3:06)
Learn the mechanics of the Three Gorges Dam created to protect China's Yankse River, the third longest river in the world.
China: The Great Wall (2:27)
Climb thousands of stairs at China's Great Wall, one of the country's greatest achievements.
China: Chinese Architecture of the Forbidden City (2:36)
Enter the Forbidden City, and learn the secrets of China's imperial past.
1991 Mount Pinatubo Erruption (1:45)
In 1991 Mount Pinatubo woke from a 600-year nap and killed 600 people.
Sketches of the World: The Importance of Rice (1:34)
Rice feeds over half of the world's population, and it's still cultivated by hand in the big rice producing nations of southeast Asia.
