Culminating capacity
Daunting density
Varying velocity
Variable veracity
Surging sagacity
Divulging diversity
Tenable tenacity
Laudable audacity
Nurturing nicety
Progressive propensity
Unified university
Simple implicitly
Ample simplicity
Undulating atrocity
Unassailable animosity
Scaring scarcity
Pausing paucity
Causing curiosity
Generating generosity
Magnificent mega-city
Multitude of multiplicity  
Wow! City of complexity