Incredible prize alert! Fancy immersing yourself in one night of Argentine culture then jetting off for a short break in Buenos Aires? Cambalache: One Night in Argentina is a wine tasting event with a difference.
http://londonist.com/2013/04/win-spend-one-night-in-argentina-then-three-in-buenos-aires.php
http://londonist.com/2013/04/win-spend-one-night-in-argentina-then-three-in-buenos-aires.php
