With that thought, the Beer Geek Brunch was born, an imperial oatmeal stout that has a roasted, chocolaty flavour thanks to the addition of Vietnamese ca phe chon, known colloquially as weasel or cat poo coffee.

BBC: Danish beer made with ��civet poo' coffee

But during the war, well-heeled travelers sipping coffee and fine cognac on the Metropole terrace were replaced by scared Vietnamese ducking into bomb shelters sunk into the pavement as the U.S. Air Force flew overhead.

CNN: Vietnam War bunker reopened under luxury hotel