Фильм

Fossils: Clues to the Past

Fossils occur only rarely, are often hard to find, and are usually a challenge to understand. But they are important clues that can help us unlock the secret of our planet's past. Study and learn about these mysterious objects with anthropologist Dr. Donald C. Johanson in Fossils: Clues to the Past.

Режиссер

Willis F. Briley