Austrian snail farmer Andreas Gugumuck serves snail-liver during a guided tour in his farm in Vienna July 9, 2013. Andreas Gugumuck owns Vienna's largest snail farm, exporting snails, snail-caviar and snail-liver all over the world. The gourmet snails are processed using old traditional cooking techniques and some are sold locally to Austrian gourmet restaurants. Picture taken July 9, 2013. REUTERS/Leonhard Foeger (AUSTRIA - Tags: ANIMALS FOOD SOCIETY)