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Explains how gold is mined and how it affects our daily lives.
National Geographic travels to the city of Hong Kong for an intimate visit with a boat family who has made their home on the waters for more than 100 years. Like many families, they are suspended between the modern world and ancient Chinese customs.
Shows how drought and poachers have forced the elephants of east Africa to migrate to new areas where they have come into direct conflict with man.
Follows explorer Thor Heyerdahl and his crew as they sail their bardi reed boat, The Tigris, over routes believed to have been followed by Sumerian traders 5,000 years ago. Examines Heyerdahl's motivation for risking his life in the search for knowledge and adventure.
