Beautiful Bariloche – in the Argentinian lake district – seems to specialise in chocolate and beer. Oh, and hiking, cycling, fishing and general outdoor loveliness. But mostly, in our case, it was the home of the completely-disproportionately-large-for-our-hotel-room hot tub: As well as curious (greedy?) bird-life knocking on our patio windows every morning: Despite the hot tub,…