Description:12 03 29 00 Landing of a plane, pilots load bags, on 1922. Takeoff again. Man standing on wing of plane fills a bag, rather unusual. Report in a cotton culture field. Agriculture. Rather racist image, American black farm labourers who extract, collect and pick the cotton, they are hung on by a cable on a plough. Look like chained slaves. Plough is a sort of vacuum cleaner which inhales cotton flowers. Textile, fragile vegetable. Partially mechanized work. Seen on the other exploitation, harvest of nuts is poured into tubs to be treated. Men around a machine, sort of tub, press. Manufacturer shows the other machine. Close-up nut with plugs of the exploitation.