Is travel the secret to a long life?
![Is travel the secret to a long life? Is travel the secret to a long life?](https://world.pulse.rs/wp-content/uploads/2019/12/p07vtnm1-1.jpg)
I was that old gringo. I was driving south in my own car in Mexican sunshine along the straight sloping road through the thinly populated valleys of the Sierra Madre Oriental – the whole craggy spine of Mexico is mountainous. Valleys, spacious and austere, were forested with thousands of single yucca trees, the so-called dragon […]