In multicultural Embajadores, African and Indian eateries sit next to hip coffee roasters and rock and reggae bars on narrow, cobbled streets. Picasso’s “Guernica” is among the Spanish masterpieces at the Reina Sofía Museum, and contemporary galleries line Calle del Dr. Fourquet. Street artists paint at former tobacco factory Tabacalera, while iconic Sunday flea market El Rastro has antiques and leather-goods stalls.