escape the madness to something private and exclusive; yet, so inclusive that it is open to anyone who happens to know about it.... the krug antichambre concept, proposed by ceft and company in 2008, is a place where old world luxury meets undeniably current tastes. the krug antichambre is a series of undisclosed pop up champagne bars that appear and disappear in cities like new york during the fashion week, miami during art basel, along with other dates in key capitals such as tokyo, paris and london.