 After the casino closed , the building was mostly left unused until the 1940s , when the González Pérez family purchased it from Agustín Ross de Ferrari , a descendant of Ross Edwards . The family converted the building into a hotel , and in the late 1940s , the underground floor was remodeled and made a clandestine casino . Twenty years later , in the late 1960s , Gustavo González Pérez , then a pilot in the Chilean Air Force , along with another member of the Air Force , created an American @-@ style discotheque called La Caverna ( The Cavern ) in the basement . Years later , González Pérez transferred the business to other members of his family , who renamed the discotheque Los Tijuana ( The Tijuanas ) . Finally , the González Pérez family decided to close the discotheque in the late 1970s . Shortly afterwards , Rancagua businesswoman Carmelita Tello installed a boîte called Carmelita in the main room . Later , Pichileminian Roberto Álvarez decided to run a discotheque called Master in the same place , while at the same time , there was a grill bar called Wa @-@ Na in another room ; both businesses operated until the 1990s . The condition of the building gradually deteriorated , and its use became restricted . 
