Among the most special products on display at the pavilion of farmers' association Coldiretti at the world's fair are the most sought-after “jewels” of Italian agriculture. The objective is to get visitors acquainted with the variety of Italian-made food products that were saved from homogenization by Italian farmers.
Three Sicilians make snail caviar: Davide Merlino, Michelandelo and Giuseppe Sansone. They own the "Lumaca Madonita" company in Campofelice di Roccella, near Palermo. Caviar is currently sold at $1,980 per kilogram or over $650 per ounce.