Twenty-five years after the September 11 attacks destroyed the World Trade Center’s Twin Towers, the redevelopment of the 16-acre site has entered its final commercial phase, with construction now under way on 2 World Trade Center, the last office tower envisaged in the original master plan.

Explore the 9/11 memorials, reflecting resilience and remembrance, 25 years after the Twin Towers' tragic collapse.

Twenty-five years after the September 11, 2001, terrorist attacks destroyed Lower Manhattan's skyline, construction has begun on the final commercial office tower planned for the…