View of Walter Wanderwell and movie camera in Corumba, Brazil. Covered seaplane in foreground; freighter in background. Man crouches at water's edge. Handwritten on sleeve: "Brazil, Corumba, one of our planes being serviced by the mechanic after 2 day trip to 'River of Death' (freighter in background). Corumba, South America, Brazil, 1930."