详细介绍：Can a young cowboy build a fabulous and efficient …Can a young cowboy build a fabulous and efficient gold-harvesting machine to deliver his aging father from the strenuous work of extracting the precious metal manually? After 40 years of digging in Tierra del Fuego in Chile, Toto’s 60-year-old body cannot take it anymore. His health is at risk, but he can’t afford to stop working because he doesn’t qualify for retirement suppor...详情