单词:Congrier
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BARBARA KLEIN: Im Barbara Klein. STEVE EMBER: And Im Steve Ember with EXPLORATIONS in VOA Special English. This week, we learn about caves and their creatures, visit an archeological dig in Canada, and explore a house powered by the sun. (MUSIC) BARB
EXPLORATIONS - A Report on Cave Creatures and Ancient VillagesEXPLORATIONS - A Report on Cave Creatures and Ancient Villages BARBARA KLEIN: Im Barbara Klein. STEVE EMBER: And Im Steve Ember with EXPLORATIONS in VOA Special English. This week, we lear
Archaeologists Hope to Solve Ancient Mystery Many archaeologists believe humans first migrated to North America over the Bering Strait 15,000-to-18,000 years ago. They lived a nomadic lifestyle of hunting and gathering. Then, starting about 2,000 yea
MICHEL MARTIN, HOST: There is a movement to change the names of two landmarks in Yellowstone National Park, the nation's oldest national park. And that is bringing to light long buried atrocities. Yellowstone Public Radio's Nate Hegyi has this report