As me and a couple of friends were going to attend a conference in the United States of America, we decided to go for a short trip to New York and San Francisco.
6th: New York
7th: New York
8th: New York; One World Trade Center
9th: New York; Central Park
10th: New York; United Nations
11th: San Francisco
12th: San Francisco; Alcatraz
13th: San Francisco; Muir Woods National Monument & Sausalito
14th: San Francisco
15th: San Francisco
16th to 21st: San Jose; Googleplex