The Libeskind Monument (monument to the victims of the September 11th attacks), Padua, Veneto, Italy, Europe

A fireman from the City of New York Fire Department attending a special Service of Remembrance and Commemoration at St Paul's Cathedral today which was held in honour of those who died in the terrorist attacks that struck New York, Washington and Pennsylvania on September 11th 2001.

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

One World Trade Center also known as Tower 1 and Freedom Tower, Manhattan, New York City, New York, USA

One World Trade Center also known as Tower 1 and Freedom Tower, Manhattan, New York City, New York, USA

One World Trade Center also known as Tower 1 and Freedom Tower, Tower 7 on right, Manhattan, New York City, New York, USA

Names of September 11 2001 victims, National September 11 Memorial, World Trade Center, Manhattan, New York City, New York, USA

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

Names of September 11 2001 victims, National September 11 Memorial, World Trade Center, Manhattan, New York City, New York, USA

South Pool Memorial Fountain, World Trade Center Memorial, 9-11 Memorial, Ground Zero, Manhattan, New York City, New York, USA, North America