In 1973, Bolivia asked for the program to be expanded to include pineapples and rice, and in 1974 cotton farming was also added, making a total of seven areas of concentration, handled by 14 technicians.
把行李在旅館中安頓好，顧團長請我們去吃晚飯。拉巴茲的街道是以石塊鋪成的，頗其古意。但是高低不平，坡度相差很大，駕車者隨時得用手煞車，又得經常作「上坡起步」；而且市區街道較窄、交通擁擠，對駕車技術是極大的考驗。