Watch Joanna Lumley's Postcards From My Travels Season 1 Episode 4 Online

The actress recalls her journey across the Greek islands. She starts out on the island of Evia, where she engages in an ancient language of whistling with the local people, and on Kos she visits the birthplace of Hippocrates, the father of modern medicine. Travelling to Nysros she carefully climbs a slumbering volcano, before setting sail for Crete, where she spends time in the mountains with shepherds and learns how their ancestors played a key role in the fight against Nazi occupation.