Watch Bombuj. For the first time, a documentary dismantles the mechanisms of this great world trade to economic issues, major political and food, and reveals the daily life of those who are the main players: traders themselves, the men and women who buy , transport, sell merchandise and speculate on changes in their prices. African cotton plantations of the Hong Kong import companies, Brazilian soybean fields in the hall of the Chicago Board of Trade markets, through commercial ports of Santos and Le Havre.