Twenty-five years after the towers fell and were rebuilt, lower Manhattan finds itself confronting a quieter, more subtle incompleteness: the World Trade Center stands as an architectural triumph but not yet as a living place. The memorial pools and soaring spires speak to what was lost and what was recovered, yet the streets empty at dusk, and no one lingers. Urban planners are now asking the deeper question that reconstruction alone could never answer — not how to rebuild a skyline, but how to grow a neighborhood from ground that carries the weight of history.