New York changed in dramatic and surprising ways in the 25 years since 9/11

 (Angela Weiss/AFP/Getty)

Some of the most positive changes have come with downsides that are straining the city.

By Hannah Natanson and Danielle Paquette

Four Post photographers rushed to cover 9/11. Here’s what they saw.

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The architect of 9/11 built the world we inhabit today

 (Matt McClain/The Washington Post)

The changes to our urban design, architecture and everyday life are so profound we can hardly see them.

See The Washington Post’s front page from the day after Sept. 11, 2001

They survived 9/11. Then they devoted their lives to helping others.

F-16 pilot was ready to give her life on Sept. 11

Cancer’s toll on 9/11 survivors is accelerating 25 years later