sentences:  The government of Portugal gave one of the first works of art that adorn the stations to Metro S.A. in the 1990s.This work is called "Azulejos para Santiago" and is composed by tiles in diverse blue and white tones.On February 12, 1541, the conqueror Pedro de Valdivia founded, according to the tradition, the city of Santiago at the bottom of a hill called "Huelén" by the natives.