How wildlife crossings are reconnecting habitats around the world

This July, my family will fly to Spain to walk from the northern city of Santiago to the coastal town of Finisterre, considered – albeit inaccurately – the westernmost point of the Iberian Peninsula. Since around the ninth century, the 90-kilometre footpath to this remote cape has served as an extended postscript to the Camino de Santiago, the medieval pilgrimage that has improbably regained its p