Stacked...

Tribeca with some World Trade on top...

Counter clockwise (right- aluminum skin with strip windows) 255 Greenwich -1987 - Designed by Emery Roth & Sons ; (left - brick) Borough of Manhattan Community College Fiterman Hall - 2012 - designed by Pei Cobb Freed & Partners; (center - glass) 7 World Trade Center - 2006 - Designed by Skidmore, Owings & Merrill; (top) One World Trade Center - 2014 - Designed by David Childs of Skidmore, Owings & Merrill

Done