USA UU Mark the anniversary of September 11 Trump to mark it on the Pennsylvania accident site

The Americans commemorate September 11 with grim tributes, volunteer projects and a new monument to the victims, after a year when two attacks demonstrated the long-term threat of terrorism in the country's largest city. The World Trade Center site is seen above

The Americans commemorate September 11 with grim tributes, volunteer projects and a new monument to the victims, after a year when two attacks demonstrated the long-term threat of terrorism in the country's largest city.

Thousands of relatives, survivors, rescuers and others of the 9/11 victims are expected to attend the anniversary ceremony at the World Trade Center, while President Donald Trump and Vice President Mike Pence will address the other two places where the hijacked planes crashed on September 11. , 2001, in the deadliest terrorist attack in US territory.

President and First Lady Melania Trump plan to join a celebration at the September 11 memorial in a field near Shanksville, Pennsylvania, where a new "Tower of Voices" was dedicated. Saturday.

Pence will attend a ceremony at the Pentagon.

The Americans commemorate September 11 with grim tributes, volunteer projects and a new monument to the victims, after a year when two attacks demonstrated the long-term threat of terrorism in the country's largest city. The World Trade Center site is seen above

The Americans commemorate September 11 with grim tributes, volunteer projects and a new monument to the victims, after a year when two attacks demonstrated the long-term threat of terrorism in the country's largest city. The World Trade Center site is seen above

In this file photo of September 9, 2018, the people attending the dedication stand around the 93-foot-tall Voices Tower at the 93 National Flight Flight in Shanksville, Pennsylvania.

In this file photo of September 9, 2018, the people attending the dedication stand around the 93-foot-tall Voices Tower at the 93 National Flight Flight in Shanksville, Pennsylvania.

In this file photo of September 9, 2018, the people attending the dedication stand around the 93-foot-tall Voices Tower at the 93 National Flight Flight in Shanksville, Pennsylvania.

A rock marks the site of the accident of Flight 93 at the National Monument of Flight 93

A rock marks the site of the accident of Flight 93 at the National Monument of Flight 93

A rock marks the site of the accident of Flight 93 at the National Monument of Flight 93

President Trump will attend a memorial service in Shanksville on Tuesday. The image above shows visitors to the National Flight 93 Memorial

President Trump will attend a memorial service in Shanksville on Tuesday. The image above shows visitors to the National Flight 93 Memorial

President Trump will attend a memorial service in Shanksville on Tuesday. The image above shows visitors to the National Flight 93 Memorial

The Wall of Names contains the names of the 44 people who died in the crash of Flight 93 on September 11, 2001.

The Wall of Names contains the names of the 44 people who died in the crash of Flight 93 on September 11, 2001.

The Wall of Names contains the names of the 44 people who died in the crash of Flight 93 on September 11, 2001.

Visitors to National Flight 93 Memorial in Shanksville, Pennsylvania, participate in a memorial service at dusk on Monday

Visitors to National Flight 93 Memorial in Shanksville, Pennsylvania, participate in a memorial service at dusk on Monday

Visitors to National Flight 93 Memorial in Shanksville, Pennsylvania, participate in a memorial service at dusk on Monday

Trump, a New York native and Republican, took the occasion of last year's anniversary to issue a stern warning to extremists that "the United States can not be intimidated."

Nearly 3,000 people died in the September 11 attacks, when international terrorism hit home in a way it did not have for many Americans before.

September 11th still shapes the politics, politics and everyday experiences of the United States in places from airports to office buildings, even if it is a constant presence in the public consciousness after 17 years.

A clear reminder came shortly after last year's anniversary: ​​a truck knocked down people, killing eight, on a bike lane a few blocks from the World Trade Center on Halloween.

In December, a suspected suicide bomber blew up a tube bomb in an underground passageway near Times Square, authorities said.

They said the suspects in both attacks were inspired by the extremist Islamic State group.

The commemorations of 9/11 are already familiar rituals, centered on reading the names of the dead.

Bianca Burton, center left, and Erin Schultheis walk around the annual flags display at Pepperdine University in honor of the victims of the Sept. 11 terrorist attacks in Malibu, California

Bianca Burton, center left, and Erin Schultheis walk around the annual flags display at Pepperdine University in honor of the victims of the Sept. 11 terrorist attacks in Malibu, California

Bianca Burton, center left, and Erin Schultheis walk around the annual flags display at Pepperdine University in honor of the victims of the Sept. 11 terrorist attacks in Malibu, California

This year's anniversary occurs when a mid-term election cycle is launched

This year's anniversary occurs when a mid-term election cycle is launched

This year's anniversary occurs when a mid-term election cycle is launched

But every year in ground zero, the relatives of the victims infuse the ceremony with personal messages of remembrance, concern and inspiration.

"What I can say today is that I do not live my life with complacency," Debra Epps said last year recalling her brother, Christopher Epps.

"I feel in solidarity that this world will make a change for the better."

Hours after the ceremony, two powerful beams of light will fly into the night sky from lower Manhattan in the 'Tribute in Light'. annual.

This year's anniversary occurs when a cycle of mid-term elections is launched.

But for a long time some efforts have been made to separate the solemn anniversary from politics.

The 9/11 Day group, which promotes volunteering at an anniversary that was declared a national service day in 2009, usually asks candidates not to campaign or publish political notices for the day.

The organizers of the ground zero ceremony allow politicians to attend, but since 2011 they have been excluded from reading names or making comments.

The September 11 memorials continue to grow in Shanksville, where the Tower of Voices will include a wind chime for each of the 40 people killed there, and ground zero, where work will soon begin on a path to honor the rescue and recovery workers.

It will serve as a way to honor those who became sick or died from exposure to the toxins released when the twin towers of the Trade Center collapsed.

Researchers have documented high rates of respiratory ailments, post-traumatic stress disorder and other illnesses among people who spent time in the rubble.

Around 38,500 people have applied for a compensation fund and more than $ 3.9 billion in claims have been approved.

Meanwhile, the reconstruction continues. A subway station destroyed on September 11 was finally reopened on Saturday.

In June, doors were opened at the 80-story, 3-floor World Trade Center, one of the several reconstructed office towers that have been built or planned on the site.

A performing arts center is increasing.

However, the work was suspended in December in the replacement of a Greek Orthodox church crushed in the attacks; The project touched financial problems.

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