In fact, before I came to Colombia, I didn’t know about other cities except Bogota, Medellin and Cali. If it wasn’t for the Argentinian friend I met in Beijing a year and a half ago who strongly recommended me to go hiking in Tayrona National Park, I wouldn’t know about San Francisco at all. Marta is a city in the north of Colombia.

When I came to Santa Marta, I met (or should I say "I didn't meet"?) a sofa owner who was the most willing to help and trust the sofa guest since I used the sofa guest software last year. I originally planned to live in a youth hostel, but the sofa owner took the initiative to contact me on the day I came to this city, saying that the apartment where he lived with his wife and daughter could accommodate me. …