Brazil and Lebanon

Pascale Harter introduces personal stories, insights and analysis from correspondents, reporters and writers around the world. In this edition, two tales of ancient history and tradition in rocky landscapes. Nicki Defago, just north of the Amazon, explores an ancient rock-art site which has much to reveal about how the Americas were first settled. The images found among the Pedras Pintadas sparked a total rethink of the continents' prehistory among academics. But can they be preserved for future generations to enjoy and wonder over?

John Laurenson, in southern Lebanon, visits the mountainous valleys which have provided shelter, refuge and inspiration to the hermits of the Maronite church for centuries.