Californian Barbara Hill tells that Dey Street--one of the streets bordering the WTC site--was named after her ancestors. It should be pronounced Dee, in the Dutch way.
Joann Adinolfi was born on Staten Island and saw the WTC every day from the ferry--she once watched lightning bounce off the rooftop lightning rods. She also remembers that the bathroom doors in the WTC would clank as the tower swayed in the wind.
Carl, an electrical contractor, describes working on the initial installation of the WTC TV tower and a more recent renovation of the observation deck.
Michigan resident Brian McDonald was in the Coast Guard and was posted in New York from 1971 to 1973. He watched the towers being built and remembers the drone and hum of cranes echoing across the harbor.
Tennessee resident John Fagan once met his cousin by chance in front of the WTC towers. He remembers going to the observation deck as a kid and, on the way down, jumping in the elevators to touch the ceiling.
Philip Armor, a visitor to New York from Santa Fe, remembers feeling like he had made it when he drove around the monolithic, silent Twin Towers just two months before 9/11.
Corporate pilot Kevin Graulty remembers the New York skyline from the air. He used to use the WTC to gauge visibility and help him get oriented from Teterboro Airport.
In the late 1970s Ohio resident Bruce Kinney went hiking at Bear Mountain in the Hudson Valley. He recalls seeing bands of orange light in the sky that he realized were reflections of the sun on the WTC towers.
Commuter Tish remembers the ding-ding of the PATH train--it doesn't sound the same now that it goes to 9th Street. She also misses the mall below the WTC because it was a fun meeting place.
Annie Goodman traveled to NYC from Colorado to attend her best friend's wedding reception at Windows on World in the 1980s. The elevator ride made her sick, but the view was great.
This anonymous caller belongs to the New York Association of Hotel Concierges. They held an annual banquet at Windows on the World and he has video footage of the event.
In the 1970s, Douglas Kravenhoft snuck into the unfinished second tower when it was under construction. By hiding from construction crews, he was able to make it to the highest floor that had been built.