istanbul 1000 years of the roman capital 600 years of the ottoman capital

600 1000 arch axis barren base been beutiful big capital cardinal center central chief city core cynosure dominant epicenter expedition eye first focus foremost gallop grand great greatest ground has heart heath highest istanbul jog key leading locus longernconcerns main master mecca navel nerve nexus north nucleus number numero omphalos one ottoman overriding paramount passage predominant preeminent premier primal primary principal prior roman round run seat sovereign sprint supreme travel trip trot unesco uno world years zero