The burden of this faux-Europeanness seems overwhelming , until , that is , you walk down one of the main corridors and , at its end , find yourself confronted with an enormous , colorized , Madonna-like image of Ernesto -LRB- Che -RRB- Guevara , Fidel Castro 's comrade in arms , the archrevolutionary who died 38 years ago in the foothills of the Bolivian Andes trying to bring a Marxist revolution to Bolivia , then as now the poorest and most racially polarized country in South America . ''