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Sofia, Bulgaria: Layers of History and Diversity
b"Because of Bulgaria's strategic position, Sofia sits on layers of history. From ancient Greeks and Romans to fearsome Slavic warriors, from Ottoman pashas to Cold War communists, each left its mark. At http://www.ricksteves.com, you'll find money-saving travel tips, small-group tours, guidebooks, TV shows, radio programs, podcasts, and more on this destination."