MANHATTAN (WABC) -- The historic Trinity Church in Lower Manhattan has been around for more than 325 years.

Following the September 11 terror attacks, the church became a refuge and a symbol as it was mostly undamaged by the crumbling Twin Towers just blocks away.

The dust and debris destroyed the church's organ.

After more than 24 years since the damage, the 10-year multi-million-dollar project to build a new organ with 8,000 pipes and weighing 30 tons is complete.

"You can really just really make this whole place shake in a way that's just like almost deafening," assistant organist Alcée Chriss III said.

St. Paul's, which is part of the same congregation, became the resting grounds for military and first responders after the Twin Towers were attacked.

"There was dust, there was da

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