sentences:  They also helped to save thousands of lives during the construction of the Panama Canal.There were 11,662 of them in 2012 throughout Bolivia.According to Enrique Oblitas Poblete, a Bolivian ethnobotanical specialist, Kallawaya may be a corruption of "khalla-wayai" ("beginning of a drink offering") or "k'alla" or "k'alli wayai" ("entrance into priesthood").