The best place to drink on Earth has changed. Paradiso, a bar hidden behind a pastrami shop in the El Born neighborhood of Barcelona, has been named the top drinking spot by World’s 50 Best Bars. It’s the first time an establishment outside New York or London has won the prize. The hidden bar’s entrance is a white refrigerator door after which visitors pass a counter specializing in cured meat. The bar features a dramatic, arched…