First of a four part series with Charlotte Uhlenbroek investigating how animals communicate. In this episode she looks at the open spaces of grasslands, deserts and the Arctic. |
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Title: | Open Worlds | |
Air Date: | June 30, 2002 | |
Runtime: | 30 min | |
Genres: | Nature | |
greyfur : Very deep cave, few get in, make sure the coffee is good or you might never get back out.....