A crane hoisted massive oak trusses from a barge and onto Notre Dame Cathedral in a spectacular operation to rebuild the fire-ravaged Paris monument and bring it back to life by December 2024

A team in northeastern France is busy rebuilding Notre Dame's famous spire, with construction ramping up ahead of next year's reopening.

Master glassmakers and artistic locksmiths were selected across France to restore stained glass windows at Notre Dame Cathedral after the 2019 fire. The cathedral is scheduled to reopen in 2024.

Less than two years before it reopens, Notre Dame’s stained glass windows and paintings, which were spared in the fire back in April 2019, are getting a fresh look.

The project is being carried out under the project management of the Regional Department of Cultural Affairs of Île-de-France.

As restoration work continues on Notre-Dame, officials in Paris have revealed the winning project for the redevelopment of the area surrounding the cathedral.

Three years after flames engulfed Notre Dame, investigators are still trying to determine the cause of the devastating fire at Paris' most famous cathedral.

Officials are planning to reopen Notre Dame to the public in 2024.

Nearly two years after a raging fire ravaged the Notre Dame Cathedral, ABC News’ James Longman got an inside look at the restoration.

ABC News' James Longman went behind the scenes of the restoration effort at the iconic cathedral after a fire reduced much of it to rubble.

On April 15, 2019, Notre Dame’s structure was so badly maimed that people thought it might collapse completely. Meticulous plans and models have helped move forward the long process of restoration.

ABC News' James Longman tours the historic site and the gargantuan task ahead for restorators after a fire engulfed it a little less than two years ago.

After the Notre Dame Cathedral in Paris caught fire on April 15, 2019, meticulous plans and models helped move the long process of restoration forward.

Restoration of Notre Dame resumes after being suspended by coronavirus lockdown; scaffolding is to be removed.

Scaffolding that was damaged in a massive fire in April 2019 will be removed in order to prevent further damage to the cathedral.

The devastating fire destroyed the 800-year-old roof and caused irreparable damage inside

A year after a fire severely damaged Notre Dame Cathedral, the COVID-19 pandemic has halted restoration efforts.

The wooden framework of the famous Parisian cathedral was completely destroyed by the 2019 fire.

A devastating fire in April ripped through the historic church, sending its famous spire plummeting through the roof.

The famed church has been off limits to parishioners since April 15, when a massive inferno brought down its iconic spire and roof.

The famed cathedral was the sight of a massive inferno on April 15.

The debate over the reconstruction of Notre Dame Cathedral in Paris continues.

The cathedral's chief architect is raising concerns of a possible collapse amid a scorching heat wave in France.

Paris archbishop Michel Aupetit led the mass during which about 30 attendees wore hardhats.

Paris archbishop Michel Aupetit led the mass of about 30 people in Notre Dame Cathedral.

The Notre Dame cathedral is opening its doors to worshipers on Saturday, the first time since a devastating fire tore through its halls in April.

The small mass will be held exactly two months since the blaze devastated the church. David Muir takes a look back at the destruction he witnessed in the wake of the fire.

Architects have put forth an array of bold proposals for Paris's fire-ravaged cathedral.

It’s been nearly a month since the flames leaping from Notre Dame cathedral in Paris left the world aghast.

The statue was saved during a blaze that engulfed the spire and left a giant hole in the cathedral's roof.

David Muir gets unprecedented access after the devastating fire.

The flames caused a 315-foot spire to topple over.

The cathedral in Paris was heavily damaged by a fire earlier this week.

Thousands going to the Basilica of Saint-Sulpice, Paris's second biggest church, for Easter Mass.

Officials today also revealing the artwork recovered from the cathedral escaped major damage.

Art historians and bee keepers are celebrating over what some are calling minor miracles amid the damage done in the fire that destroyed parts of Notre Dame Cathedral.

The Notre Dame fire investigation continues as French authorities interview workers involved in renovations that were underway at the cathedral.

More than $1 billion has already been raised to rebuild the cathedral.

France is paying tribute Thursday to the hundreds of firefighters who saved the world-renowned Notre Dame Cathedral from utter collapse.

Jean-Marc Fournier, chaplain of the Paris Fire Brigade, and his team broke into the area holding the famed Crown of Thorns to save the relic from the fire.

France is paying tribute Thursday to the hundreds of firefighters who saved the Notre Dame Cathedral from utter collapse.

Brooke Windsor posted a photo of a man and girl taken before Monday's fire at Notre Dame Cathedral. She located them through the help of social media.

The Paris cathedral lost its iconic top during a "colossal" fire.

A large fire broke out in the iconic Notre Dame cathedral in Paris, authorities said.

Officials in France said the iconic church was just 15 to 30 minutes away from total collapse but that it was saved by firefighters.

A journalist is playing a big role in helping raise funds to rebuild three destroyed churches in Louisiana, and hoping the empathy over Notre Dame will help.

Drone footage shows extent of damage inflicted upon Paris' iconic Notre Dame cathedral by devastating fire as almost $1 billion is raised to rebuild it.

Firefighters battled the blaze for nine hours to bring it under control.

A solemn moment as bells toll at churches and cathedrals around France, 48 hours after a fire began to ravage the Notre Dame Cathedral.

France's prime minister has announced "an international architecture competition" to rebuild the iconic arrow-like spire atop the Notre Dame Cathedral in Paris, which caught fire on Monday evening.