One of the two waterfalls at National September 11 Memorial, World Trade Center, Manhattan, New York City, New York, USA

mg0479 travel tourism holiday vacation sightseeing tourist attraction destination travels destinations waterfall waterfalls national memorial world trade center centre manhattan new york city ny nyc united states of america american usa us modern architecture architectural landmark landmarks famous tall tallest high highest large largest cascade cascading pool water fall lower downtown tourists visit visiting people visitors sightseers memorials monument monuments terrorism ground zero commemorate commemoration commemorating commemorative tribute tranquil tranquility tranquillity quiet peaceful wall walls fountain fountains flowing hole redeveloped redevelopment square squares vast building buildings michael arad plaza museum september wtc outdoors outdoor outside vertical 9 11 11th 2001 9/11 9 11