Antofagasta is Chile's largest desert city. It is also a main port for minerals such as copper. The skies here are so bright and clear that Antofagasta is said to have only 20 cloudy days a year. Each year, the city holds a colorful annual celebration of the anniversary of its founding on February 14, 1870. People wear masks and costumes to celebrate the city's rich history. (GETTY IMAGES)