This is the third day of my journey. What happened so far: 1st day (1 of April):After traveling 23 hours from one house door to another I finally got to the home of my first Couchsurfer, Daniel Urra, living in the district Congreso in Buenos Aires. At the airport he was holding a big sign with my name - I had never been greeted this way before. Buenos Aires is the capital of Argentina with over 13 million people - that is a third of all Argentine inhabitants!! I...