Paris streets closed off, to be cleaned following lead contamination after Notre Dame fire

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A net covers parts of Notre Dame cathedral,Tuesday, April 23, 2019 in Paris. Notre Dame isn't expected to reopen to the public for five or six years, according to its rector, although French president Emmanuel Macron is pushing for a quick reconstruction. Investigators think the fire was an accident, possibly linked to renovation work.

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The Archbishop of Paris Michel Aupetit speaks to the press in the courtyard of his diocese after leading the first mass two months to the day after a devastating fire engulfed the Notre-Dame de Paris cathedral on June 15, 2019, in Paris.

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The Archbishop of Paris Michel Aupetit holds the first mass in a side chapel two months to the day after a devastating fire engulfed the Notre-Dame de Paris cathedral on June 15, 2019, in Paris.

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A crane stands by Notre Dame Cathedral on Wednesday, April 15, 2020, in Paris. The Cathedral of Notre Dame stands crippled and alone, locked in a dangerous web of twisted scaffolding one year after a cataclysmic fire gutted its interior, toppled its famous spire and horrified the world.

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A net covers one of the stained glass windows of Notre Dame cathedral,Tuesday, April 23, 2019 in Paris. Notre Dame isn't expected to reopen to the public for five or six years, according to its rector, although French president Emmanuel Macron is pushing for a quick reconstruction. Investigators think the fire was an accident, possibly linked to renovation work.

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The Archbishop of Paris Michel Aupetit (C) poses with other members of the clergy following the first mass in a side chapel, two months to the day after a devastating fire engulfed the Notre-Dame de Paris cathedral, on June 15, 2019, in Paris.

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This photo taken on March 9, 2020, shows the gutted interior of Notre Dame Cathedral in Paris.

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A man holds a smartphone showing a live broadcast of Archbishop of Paris Michel Aupetit holding the first mass of the Notre-Dame de Paris cathedral on June 15, 2019, two months after the April 15 fire, in Paris.

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The Archbishop of Paris Michel Aupetit speaks with fellow clergy during first mass in a side chapel two months to the day after a devastating fire engulfed the Notre-Dame de Paris cathedral on June 15, 2019, in Paris.

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Notre Dame cathedral is pictured under reconstruction in Paris on Sunday, Dec. 22, 2019.

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Archbishop of Paris Michel Aupetit (C) arrives to hold the first mass of the Notre-Dame de Paris cathedral two months after the fire, on June 15, 2019, in Paris.

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Parisians and tourists watch members of the Charpentiers sans Frontièrs (Carpenters without Borders) reconstruct one of the missing timber frames of Notre Dame Cathedral that was destroyed by the fire in front of the Cathedral on September 19, 2020, in Paris, France.

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Workers install pallissades in front Notre-Dame cathedral in Paris before a decontamination work on August 13, 2019. - The area around Notre-Dame Cathedral in Paris was sealed off early on Tuesday as workers prepared to apply a special gel to absorb lead particles that seeped into the soil in the wake of the April 15 blaze. (Photo by BERTRAND GUAY / AFP)BERTRAND GUAY/AFP/Getty Images ** OUTS - ELSENT, FPG, CM - OUTS * NM, PH, VA if sourced by CT, LA or MoD **

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In this photo taken on March 9, 2020, a gargoyle tops the covered roof of Notre Dame Cathedral in Paris.

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Notre-Dame de Paris Cathedral's rector Patrick Chauvet (L) greets people arriving for the first mass of the Notre-Dame de Paris cathedral two months after the fire, on June 15, 2019, in Paris.

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Traditional tools of Charpentiers sans Frontièrs (Carpenters without Borders) used to reconstruct the missing timber frames of Notre-Dame Cathedral that was destroyed by the fire in front of the Cathedral on September 19, 2020, in Paris, France.

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Cranes work at Notre Dame cathedral, in Paris, Thursday, April 25, 2019. French police scientists were starting to examine Notre Dame Cathedral on Thursday for the first time since last week's devastating fire.

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Notre Dame cathedral is pictured in Paris on Monday, Jan. 6, 2020.

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A rose window inside Notre Dame Cathedral in Paris is seen in this March 9, 2020, photo. The famed stained glass windows miraculously survived the fire.

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Members of the Charpentiers sans Frontièrs (Carpenters without Borders) work to reconstruct one of the missing timber frames of Notre-Dame Cathedral that was destroyed by the fire using traditional methods in front of the Cathedral on September 19, 2020, in Paris, France.

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A worker sprays a gel on the ground to absorb lead as he takes part in a clean-up operation at Saint Benoit school near Notre-Dame cathedral in Paris during a decontamination operation on Aug. 8.

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A worker stands on the roof of Notre Dame cathedral in Paris on Tuesday, Feb. 11, 2020.

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Journalists film auxiliary Bishop of Paris Denis Jachiet and Archbishop of Paris Michel Aupetit, center right, during a meditation ceremony to celebrate Good Friday in a secured part of Notre-Dame de Paris cathedral on Friday, April 10, 2020, in Paris. Although still damaged and scarred by fire, Notre Dame Cathedral has, if only for an instant, come back to life as a center for prayer in a Paris locked down against the coronavirus.

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Notre Dame cathedral is pictured in Paris on Monday, Jan. 6, 2020. Gen. Jean-Louis Georgelin, who is overseeing the reconstruction of the fire-devastated Notre Dame Cathedral, told French broadcaster CNews on Sunday that "the cathedral is still in a state of peril" after last year's fire, which destroyed its roof and collapsed its spire as the cathedral was undergoing renovations.

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Thirty white hard hats are placed on a table outside the Notre-Dame de Paris cathedral, as clergy and worshippers arrive for service on June 15, 2019.

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Tarps are pictured on Notre Dame cathedral Wednesday, April 24, 2019 in Paris. Professional mountain climbers were hired to install synthetic, waterproof tarps over the gutted, exposed exterior of Notre Dame Cathedral, as authorities raced to prevent further damage ahead of storms that are rolling in toward Paris.

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Auxiliary Bishop of Paris Philippe Marsset (L) and Christophe Rousselot (R) of the Notre-Dame Foundation, wearing hard hats, arrive to take part in the first mass held at the Notre-Dame cathedral on June 15, 2019, in Paris, two months after the April 15 devastating fire.

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Workers stand on a roof of Notre Dame cathedral Wednesday, April 24, 2019 in Paris. Professional mountain climbers were hired to install synthetic, waterproof tarps over the gutted, exposed exterior of Notre Dame Cathedral, as authorities raced to prevent further damage ahead of storms that are rolling in toward Paris.

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Members of the Charpentiers sans Frontièrs (Carpenters without Borders) work to reconstruct one of the missing timber frames of Notre-Dame Cathedral that was destroyed by the fire using traditional methods in front of the Cathedral on September 19, 2020, in Paris, France.

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A statue is removed from Notre Dame cathedral Tuesday, April 23, 2019 in Paris. The man in charge of the restoration of the fire-ravaged Notre Dame cathedral says he has appointed professional mountain climbers to install temporary tarps over the building to offset potential rain damage.

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People gather along Pont de l'Archeveche bridge over the River Seine that leads to Ils de la Cite and the Notre-Dame de Paris cathedral, in Paris on June 15, 2019. The Notre Dame cathedral in Paris will host its first mass on June 15, 2019, exactly two months after the devastating blaze that shocked France and the world. For safety reasons, the mass led by Archbishop of Paris Michel Aupetit will be celebrated on a very small scale. Worshippers will be expected to don hard hats but priests will be wearing their ceremonial garb.

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A workers stands between wooden planks on Notre Dame cathedral Wednesday, April 24, 2019 in Paris. Professional mountain climbers were hired to install synthetic, waterproof tarps over the gutted, exposed exterior of Notre Dame Cathedral, as authorities raced to prevent further damage ahead of storms that are rolling in toward Paris.

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Workers stand on a roof of Notre Dame cathedral, in Paris, Thursday, April 25, 2019. French police scientists were starting to examine Notre Dame Cathedral on Thursday for the first time since last week's devastating fire.

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An artist makes a drawing of the reconstruction of one of the missing timber frames of Notre Dame Cathedral that was destroyed by the fire in front of the Cathedral on September 19, 2020, in Paris, France.

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This aerial picture taken on June 12, 2019, in the French capital Paris, shows the Notre Dame de Paris cathedral under repair after it was badly damaged by a huge fire on April 15.

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Police officers remove electric scooters from the area around Notre Dame cathedral in Paris on Monday. Authorities started clearing the area around Notre Dame ahead of decontamination and cleanup work which will resume on Aug. 19 after new equipment and stricter safety procedures ensure workers are not exposed to unsafe levels of lead.

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French priest Pascal Gollnisch, general director of the "Oeuvre d'Orient" Eastern Catholic Churches association, wearing a hard hat, gives an interview as he holds a cross made of stone coming from Alep cathedral prior to offering it to Notre-Dame de Paris cathedral during a mass, the first since the fire that destroyed the roof on April 15.

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This picture taken on Aug. 6 shows asphalt waste materials during a clean-up operation over lead poisoning fears at Saint Benoit school near Notre-Dame cathedral in Paris.

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A member of the Charpentiers sans Frontièrs (Carpenters without Borders) work on the reconstruction of one of the missing timber frames of Notre-Dame Cathedral that was destroyed by the fire in front of the Cathedral on September 19, 2020, in Paris, France.

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Workers are lifted to Notre Dame cathedral on Tuesday, April 23, 2019 in Paris. The man in charge of the restoration of the fire-ravaged Notre Dame cathedral says he has appointed professional mountain climbers to install temporary tarps over the building to offset potential rain damage.

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A members of the Charpentiers sans Frontièrs (Carpenters without Borders) climbs a reconstruction of one of the missing timber frames of Notre-Dame Cathedral that was destroyed by the 2019 fire, in front of the Cathedral on September 19, 2020, in Paris, France. Part of the 37th edition of the European Heritage Days, the iconic Parisian landmark aims at informing the public of the reconstruction plans related to the April 15, 2019 fire and aims to improve the public's knowledge of Notre-Dame's architecture and history. The extensive damage to the roof and spire of the 13th-century Notre Dame de Paris cathedral have proven the reconstruction process to be much more complex than many anticipated.