知识世界

• History: Secrets of the Anasazi
• History: Mysterious Places — Glastonbury England
• History: Mysterious Places — Aachen Germany
• History: Mysterious Places — American Stonehenge
• History: Mysterious Places — Salem Massachusetts
• History: Mysterious Places — Menorca Spain
• History: Mysterious Places — Stonehenge England
• History: Mysterious Places — Santiago De Compostela Spain
• Tourism: Secrets of the Anasazi
• Tourism: Mysterious Places — Glastonbury England

History:Mysterious Places — Teotihuacan Mexico

At height of its power， this ancient city was home to some 200，000 people. It was larger than the Imperial Rome. The people who lived here built towering pyramids， worship all powerful gods， and built secret tunnels where their priests performed human sacrifice. Then after flourishing for over 600 years， they simply vanished. Who were the people who lived here? Why did they leave? And where did they go?

• 01

  History： America's Special Days — Groundhog Day

  This program is an introduction to the Groundhog Day in America. Play
• 02

  History： Secrets of the Anasazi

  An introduction to Chaco Canyon — a canyon of ancient dreams. Play
• 03

  History： Poisoned

  An introduction to a dark art as old as humanity itself. Play
• 04

  History： What The Ancients Did for Us — The Greeks

  Bringing ingenious ancient Greek technology back to life. Play
• 05

  History： Mysterious Places — Pompeii Italy

  A story of Mount Vesuvius and the two towns and the thousands of lives that vanished in its fury. Play
• 06

  History： Transportation Achievements

  An introduction to the greatest achievements in transportation. Play
• 07

  History： Planck and Quantum Physics

  This program introduces Planck's quantum physics. Play
• 08

  History： Mysterious Places — Chartres France

  An introduction of Chartres Cathedral， an enduring and sacred legacies of the medieval ages. Play
• 09

  History： Royals — Japan

  An introduction to Japanese tenno Akihito and his family. Play
• 10

  History： Royals — Dubai

  Dubai is one of the richest countries in the world， and the Actium family rules Dubai. Play