LIVING FOSSIL TREE: Rediscovering the dawn redwood species in China

Описание к видео LIVING FOSSIL TREE: Rediscovering the dawn redwood species in China

Dawn redwood trees were believed to have been extinct for millions of years...until they were re-discovered in central China in the 1940s. For years, conservationists have been working on preserving red-wood forests in parts of the world. Engineer and botanical expert Lin Qinwen tells us more about efforts in China.

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