Sergio walked the 800 kilometers from Sevilla to Marrakesh in 17 days. We asked why such a good madness came over him ... and hope listening like this evaporates borders. Special thanks to the musician, Dana Boulé. Check out Pachilofeos.es, the mountaineering club that inspired Sergio's journey. Check out Kiva.org to make a small business loan to someone in another country. "Following a road from beginning to end is particularly satisfying both in literature and in life." —Italo Calvino