File:Cacao in the fermenting trucks, San Thomé. Cocoa and Chocolate, Their History from Plantation to Consumer, by Arthur W. Knapp, 1920.jpg
Cacao_in_the_fermenting_trucks,_San_Thomé._Cocoa_and_Chocolate,_Their_History_from_Plantation_to_Consumer,_by_Arthur_W._Knapp,_1920.jpg (691 × 570 pixels, file size: 105 KB, MIME type: image/jpeg)