World's largest whosale grocer Rungis gears up for holidays Vendors at Rungis, the world's largest wholesale grocer located just south of Paris, are gearing up to try and meet end-of-the-year holiday demands. Professionals in the poultry and fish sectors anticipate shortages in foie gras and smoked salmon, while truffle specialists at Masse say they look forward to a good year for their product. IMAGES AND SOUNDBITES