Mexico: the mystery of the centuries-old oaks of Baja California Sur (and the secret to save them from extinction)
By Alexandra Martins
They are descended from ancestors that lived more than 50 million years ago and have faced all kinds of challenges.
But today they are still standing, but only in one place on the planet.
In the Sierra La Laguna, in the state of Baja California Sur, in northwestern Mexico, lives the only population of a species of oak known as encino arroyero .