Once upon a time... The Explorers

• Duration: 26 x 26′
• HD

Synopsis: This series is a companion piece to Once upon a time... The Discoverers. While the latter took us on a voyage of discovery into the world of scientific knowledge, Once upon a time... The Explorers will take us to unknown lands and horizons. They will show us how we have become familiar with our planet, which, let's not forget, was an unknown land just a few short centuries ago...