These photographs of today's September 11 memorial ceremonies in New York City, Arlington, and Afghanistan speak for themselves. [Image via AP]

New York City, firefighters memorial [Image via Getty]

New York City, firefighters memorial [Image via Getty]

New York City [Image via Getty]

New York City [Image via Getty]

[Image via Getty]

U.S. Army soldiers at Bagram Air Field, Afghanistan [Image via Getty]

President Obama, First Lady Michelle Obama, and George W. Bush walking past the North Pool of the 9/11 Memorial, New York City [Image via Getty]

New York City, National September 11 Memorial [Image via Getty]

Arlington, Virginia [Image via Getty]

New York City, National September 11 Memorial [Image via AP]

Firefighters, New York City [Image via Getty]

New York City, National September 11 Memorial [Image via AP]

New York City, National September 11 Memorial [Image via AP]

Freedom Tower, New York City [Image via Getty]