What is the tallest building in the city that was attacked first on September 11, 2001?
One World Trade Center
One World Trade Center
World Trade Center
World Trade Center
One World Trade Center
The World Trade Center
World Trade Center
World Trade Center
World Trade Center
One World Trade Center
World Trade Center
Burj Khalifa
World Trade Center Tower 1
7 World Trade Center
World Trade Center
The World Trade Center
World Trade Center Tower 1
World Trade Center
World Trade Center Tower 2
Empire State Building
One World Trade Center Tower 1
World Trade Center Tower 1
World Trade Center
1 World Trade Center
The World Trade Center Tower 1
World Trade Center Tower 2
Empire State Building
3 World Trade Center
One World Trade Center Tower 2
World Trade Center Tower 1
The World Trade Center Tower 2
World Trade Center
World Trade Center Tower One
One World Trade Center Tower One
One World Trade Center
Empire State Building
The World Trade Center
World Trade Center Tower 2
The World Trade Center Tower One
7 World Trade Center
World Trade Center
World Trade Center Tower 1
World Trade Center Tower One
One World Trade Center.
World Trade Center Tower 3
Empire State Building
World Trade Center Tower 2
World Trade Center
World Trade Center Tower 1
World Trade Center World Trade Center
One World Trade Center Tower 3
United Nations World Trade Center
The World Trade Center Tower
World Trade Center Tower One
World Trade Center Tower 3
Empire State Building
One World Trade Center Tower 1
The Empire State Building
World Trade Center Tower 2
The World Trade Center Tower II
One World Trade Center
World Trade Center
The World Trade Center Tower 1
World Trade Center Tower 1
1 World Trade Center
Empire State Building
World Trade Center Tower One
World Trade Center Tower 3
One World Trade Center Tower 2
World Trade Center Tower 2
World Trade Center Tower II
The World Trade Center Tower 2
World Trade Center
United Nations World Trade Center
The Empire State Building
World Trade Center Tower 1
One World Trade Center Tower One
7 World Trade Center
Empire State Building
United States World Trade Center
World Trade Center Tower One
World Trade Center Tower 3
World Trade Center Tower Two
The World Trade Center
World Trade Center North Tower
Trump International Hotel & Tower
World Trade Center Tower 2
World Trade Center Tower II
World Trade Center
The World Trade Center Tower One
World Trade Center World Trade Center
United States Department of Defense Headquarters
Trump Tower
Empire State Building
World Trade Center Tower 1
The Empire State Building
World Trade Center Tower One
World Trade Center Tower 3
World Trade Center Tower Two
One World Trade Center
One World Trade Center Tower 1
World Trade Center Tower
World Trade Center
One World Trade Center Tower 3
World Trade Center Tower 2
World Trade Center Tower II
United States World Trade Center
Trump Tower
United States Department of Defense Headquarters
New York World Trade Center
Empire State Building
United Nations World Trade Center
The World Trade Center Tower II
World Trade Center Tower 1
The World Trade Center Tower 1
World Trade Center Tower 7
World Trade Center Tower One
World Trade Center Tower 3
World Trade Center World Trade Center
1 World Trade Center
The Empire State Building
World Trade Center Tower Two
3 World Trade Center
World Trade Center
One World Trade Center Tower 2
World Trade Center Tower 2
World Trade Center Tower II
The World Trade Center Tower 2
Empire State Building
Trump International Hotel & Tower
The World Trade Center
United States Department of Defense Headquarters
Trump Tower
Trump International Hotel and Towers
World Trade Center Tower 1
One World Trade Center Tower One
World Trade Center Tower One
World Trade Center Tower 3
World Trade Center Tower Two
World Trade Center
Trump International Hotel and Tower
World Trade Center Tower
One World Trade Center
The Empire State Building
World Trade Center North Tower
World Trade Center Tower 2
World Trade Center Tower II
New York World Trade Center
Empire State Building
Tower of the Americas
The World Trade Center Tower One
Trump Tower
World Trade Center World Trade Center
WTC World Trade Center
7 World Trade Center
United States World Trade Center
United States Department of Defense Headquarters
United States Department of Defense Building
United Nations World Trade Center
Trump International Hotel & Tower
World Trade Center Tower One
United States Department of State
World Trade Center Tower 3
World Trade Center
World Trade Center Tower 1
WTC Tower 1
Trump International Hotel and Towers
World Trade Center Tower
United States Department of State Building
The Empire State Building
North Tower
One World Trade Center Tower 3
World Trade Center Tower 2
World Trade Center Tower II
Empire State Building
Trump International Hotel and Tower
Trump Tower
Willis Tower
The World Trade Center Tower 3
World Trade Center Tower Two
United States Department of Defense Building
World Trade Center
The World Trade Center Tower
Trump International Hotel & Tower
World Trade Center Tower One
One World Trade Center
United States Department of State
United Nations Headquarters
World Trade Center North Tower
World Trade Center Tower
The World Trade Center
New York World Trade Center
World Trade Center Tower 1
Empire State Building
WTC Tower 1
United States Department of Defense Tower
United States Customs House
Trump International Hotel and Towers
World Trade Center Tower II
United States Department of State Building
New York World Financial Center