If sitting on the Copacabana, sipping beer and gazing across the idyllic Rio coastline is not heaven on earth, then it is astonishingly close. The weather is invariably stunning, the water glistening and all watched over by Christ the Redeemer himself. I can’t claim to be a beach lover, but nowhere has been closer to converting me than the Copacabana. However, this is all a matter of perspective. Because my Brahma wasn’t served from an Irish Bar wedged into the sand in the middle of the beach. It was brought to me by the array of people that trudge up and down the beach, a case of beer on their…