(CNN)It’s been 18 years since the terrorist attacks of September 11, 2001, the day that never ends.
Events in New York City, Washington, D.C., and Pennsylvania — each of which saw destruction and disaster that day — will be held on Wednesday to remember the victims and first responders.The Tribute in Light rises above the lower Manhattan skyline on Tuesday in New York.Nearly 3,000 people died when hijackers took control of four commercial airplanes and crashed them into the World Trade Center buildings, the Pentagon, and a field in Shanksville, Pennsylvania. More have died since from illnesses related to the destruction.An American flag is unfurled at sunrise at the Pentagon in Washington on the 18th anniversary of the September 11 attacks.Vernoy Paolini places a Canadian flag in the name of a Canadian victim of the September 11 terrorist attacks at the National September 11 Memorial on Wednesday.Connie Dray of West Virginia holds a photo her cousin Mary Lou Hague, who died at the World Trade Center.A ceremony marking the anniversary of 9/11 started at 8:40 a.m. ET this morning at the site of the World Trade Center in New York City.A woman wipes away tears as she stands next to the north pool prior to a ceremony marking the 18th anniversary of the attacks of September 11, 2001, at the National September 11 Memorial.A new state law passed in New York this year mandates that public schools allow a moment of silence to mark the anniversary. The law is intended to “encourage dialogue and education in the classroom” and to ensure that future generations understand the terrorist attacks, according to a statement from the governor’s office.Read MoreLouis Gonzalez makes a rubbing of his sister’s name at the National September 11 Memorial on Wednesday.President Donald Trump and the first lady marked the moment the first World Trade Center tower was hit, at 8:46 a.m. ET, with a moment of silence on the South Lawn of the White House. The two solemnly bowed their heads as a bell rang.President Donald Trump and first lady Melania Trump participate in a moment of silence on the South Lawn of the White House on Wednesday, honoring the victims of the September 11 terrorist attacks.Members of Congress similarly observed the anniversary at the Capitol.Members of Congress gather Wednesday at the Capitol to observe the anniversary of the September 11 attacks.During the ceremony in New York City, a young man used an iPad to read the name of his father, Richard Avery Aronow. “And my father, Richard Aronow. I love you very much. I miss you,” the automated voice said. He was accompanied by a woman holding the iPad for him. The young man did not speak.