People look at a reproduction painting of Mona Lisa by an unknown artist dated around 1600, at a gallery in Vienna, Austria October 6, 2021. The painting will be auctioned in the upcoming Old Master and 19th Century Art sale by Artcurial auction house in Paris. Picture taken October 6, 2021. REUTERS/Leonhard Foeger

An empty chair is pictured in front of a reproduction painting of Mona Lisa, by an unknown artist dated around 1600, at a gallery in Vienna, Austria October 6, 2021. The painting will be auctioned in the upcoming Old Master and 19th Century Art sale by Artcurial auction house in Paris. Picture taken October 6, 2021. REUTERS/Leonhard Foeger

People look at a reproduction painting of Mona Lisa by an unknown artist dated around 1600, at a gallery in Vienna, Austria October 6, 2021. The painting will be auctioned in the upcoming Old Master and 19th Century Art sale by Artcurial auction house in Paris. Picture taken October 6, 2021. REUTERS/Leonhard Foeger

People look at a reproduction painting of Mona Lisa by an unknown artist dated around 1600, at a gallery in Vienna, Austria October 6, 2021. The painting will be auctioned in the upcoming Old Master and 19th Century Art sale by Artcurial auction house in Paris. Picture taken October 6, 2021. REUTERS/Leonhard Foeger

A man looks at a poster of a reproduction painting of Mona Lisa by an unknown artist dated around 1600, outside a gallery in Vienna, Austria October 6, 2021. The painting will be auctioned in the upcoming Old Master and 19th Century Art sale by Artcurial auction house in Paris. Picture taken October 6, 2021. REUTERS/Leonhard Foeger

A man looks at a poster of a reproduction painting of Mona Lisa by an unknown artist dated around 1600, outside a gallery in Vienna, Austria October 6, 2021. The painting will be auctioned in the upcoming Old Master and 19th Century Art sale by Artcurial auction house in Paris. Picture taken October 6, 2021. REUTERS/Leonhard Foeger

A reproduction painting of Mona Lisa by an unknown artist dated around 1600 is pictured at a gallery in Vienna, Austria October 6, 2021. The painting will be auctioned in the upcoming Old Master and 19th Century Art sale by Artcurial auction house in Paris. Picture taken October 6, 2021. REUTERS/Leonhard Foeger

People look at a reproduction painting of Mona Lisa by an unknown artist dated around 1600, at a gallery in Vienna, Austria October 6, 2021. The painting will be auctioned in the upcoming Old Master and 19th Century Art sale by Artcurial auction house in Paris. Picture taken October 6, 2021. REUTERS/Leonhard Foeger

U.S. President Joe Biden's granddaughter Natalie Biden, right, and her friend, (name unknown), left, depart Brew Ha Ha! Cafe and restaurant in Wilmington, Delaware, U.S., October 3, 2021. REUTERS/Ken Cedeno

Forensic technicians remove the body of a woman that was left by unknown persons in a suitcase, on the outskirts of Ciudad Juarez, Mexico October 1, 2021. REUTERS/Jose Luis Gonzalez

A police cordon is seen at the crime scene where unknown assailants left the body of a woman inside a suitcase, on the outskirts of Ciudad Juarez, Mexico October 1, 2021. REUTERS/Jose Luis Gonzalez

A forensic technician works at a crime scene where unknown assailants left the body of a woman inside a suitcase, on the outskirts of Ciudad Juarez, Mexico October 1, 2021. REUTERS/Jose Luis Gonzalez

Georgia's President Salome Zourabichvili and French President Emmanuel Macron, right behind, lay a wreath on the tomb of the Unknown Soldier under the Arc de Triomphe in Paris, France, September 28, 2021. Lewis Joly/Pool via REUTERS

Georgia's President Salome Zourabichvili and French President Emmanuel Macron lay a wreath the tomb of the Unknown Soldier under the Arc de Triomphe in Paris, France, September 28, 2021. Lewis Joly/Pool via REUTERS

Georgia's President Salome Zourabichvili watches French President Macron laying a wreath at the tomb of the Unknown Soldier under the Arc de Triomphe, in Paris, France, September 28, 2021. Lewis Joly/Pool via REUTERS

Brenda Mares carries her son while she stands among the remains of the house of her sister Juana Mares, where, according to local media, unknown assailants murdered seven people and set the place on fire, in Ciudad Juarez, Mexico September 26, 2021. REUTERS/Jose Luis Gonzalez

Clothes and shoes are seen among the remains of the house, where, according to local media, unknown assailants murdered seven people and set the place on fire, in Ciudad Juarez, Mexico September 26, 2021. REUTERS/Jose Luis Gonzalez

Darwin, 2, holds pieces of the remains of the house of his aunt Juana Mares, where, according to local media unknown assailants murdered seven people and set the place on fire, in Ciudad Juarez, Mexico September 26, 2021. REUTERS/Jose Luis Gonzalez

Brenda Mares stands in the remains of the house of her sister Juana Mares, where, according to local media, unknown assailants murdered seven people and set the place on fire, in Ciudad Juarez, Mexico September 26, 2021. REUTERS/Jose Luis Gonzalez

Brenda Mares stands near the remains of the house of her sister Juana Mares, where, according to local media, unknown assailants murdered seven people and set the place on fire, in Ciudad Juarez, Mexico September 26, 2021. REUTERS/Jose Luis Gonzalez

Forensic technicians remove a body that was left by unknown persons wrapped in a blanket, in Ciudad Juarez, Mexico September 22, 2021. REUTERS/Jose Luis Gonzalez

Forensic technicians work at the crime scene where unknown assailants left the bodies of a woman and a man wrapped in blankets, in Ciudad Juarez, Mexico September 22, 2021. REUTERS/Jose Luis Gonzalez

Forensic technicians work at the crime scene where unknown assailants left the bodies of a woman and a man wrapped in blankets, in Ciudad Juarez, Mexico September 22, 2021. REUTERS/Jose Luis Gonzalez

A member of the Mexican army stands guard at the scene where unknown assailants left the bodies of a woman and a man wrapped in blankets, in Ciudad Juarez, Mexico September 22, 2021. REUTERS/Jose Luis Gonzalez

Forensic technicians work at the crime scene where unknown assailants left the bodies of a woman and a man wrapped in blankets, in Ciudad Juarez, Mexico September 22, 2021. REUTERS/Jose Luis Gonzalez

Britain’s Prime Minister Boris Johnson takes part in a wreath-laying ceremony at the Tomb of the Unknown Soldier in Arlington National Cemetery in Arlington, Virginia, U.S., September 22, 2021. REUTERS/Kevin Lamarque

Britain's Prime Minister Boris Johnson takes part in a wreath-laying ceremony at the Tomb of the Unknown Soldier in Arlington National Cemetery in Arlington, Virginia, U.S., September 22, 2021. REUTERS/Kevin Lamarque

Britain's Prime Minister Boris Johnson takes part in a wreath-laying ceremony at the Tomb of the Unknown Soldier in Arlington National Cemetery in Arlington, Virginia, U.S., September 22, 2021. REUTERS/Kevin Lamarque

A member of the honour guard carries the wreath from Britain's Prime Minister Boris Johnson during a wreath-laying ceremony at the Tomb of the Unknown Soldier in Arlington National Cemetery in Arlington, Virginia, U.S., September 22, 2021. REUTERS/Kevin Lamarque

A member of the honour guard shouts a command as the unit awaits the arrival of Britain's Prime Minister Boris Johnson to lay a wreath at the Tomb of the Unknown Soldier in Arlington National Cemetery in Arlington, Virginia, U.S., September 22, 2021. REUTERS/Kevin Lamarque TPX IMAGES OF THE DAY

Britain's Prime Minister Boris Johnson lays a wreath at the Tomb of the Unknown Soldier in Arlington National Cemetery in Arlington, Virginia, U.S., September 22, 2021. REUTERS/Kevin Lamarque

Britain's Prime Minister Boris Johnson lays a wreath at the Tomb of the Unknown Soldier in Arlington National Cemetery in Arlington, Virginia, U.S., September 22, 2021. REUTERS/Kevin Lamarque

Britain's Prime Minister Boris Johnson lays a wreath at the Tomb of the Unknown Soldier in Arlington National Cemetery in Arlington, Virginia, U.S., September 22, 2021. REUTERS/Kevin Lamarque

A view of the grave of the Unknown Warrior during a service to mark the 81st anniversary of the Battle of Britain, at Westminster Abbey in London, Britain September 19, 2021. Julian Simmonds/Pool via REUTERS

Britain's Prince Charles and Camilla, Duchess of Cornwall, walk past the grave of the Unknown Warrior as they attend a service to mark the 81st anniversary of the Battle of Britain, at Westminster Abbey in London, Britain September 19, 2021. Julian Simmonds/Pool via REUTERS

French President Emmanuel Macron and Paris Mayor and Socialist Party (PS) candidate for the 2022 French presidential elections Anne Hidalgo pay tribute to the tomb of the Unknown Soldier during the inauguration of the wrapped Arc de Triomphe, designed by the late artist Christo, in Paris, France, September 16, 2021. Ludovic Marin/Pool via REUTERS

French President Emmanuel Macron and Paris Mayor and Socialist Party (PS) candidate for the 2022 French presidential elections Anne Hidalgo pay tribute to the tomb of the Unknown Soldier during the inauguration of the wrapped Arc de Triomphe, designed by the late artist Christo, in Paris, France, September 16, 2021. Ludovic Marin/Pool via REUTERS

Brigitte Macron, French Culture Minister Roselyne Bachelot, French President Emmanuel Macron, Paris Mayor and Socialist Party (PS) candidate for the 2022 French presidential elections Anne Hidalgo, and the nephew of late Bulgarian born artist Christo Vladimir Javacheff pay tribute to the tomb of the Unknown Soldier during the inauguration of the wrapped Arc de Triomphe, designed by the late artist Christo, in Paris, France, September 16, 2021. Ludovic Marin/Pool via REUTERS ATTENTION EDITORS - RESTRICTED TO EDITORIAL USE. MANDATORY MENTION OF THE ARTIST UPON PUBLICATION. TO ILLUSTRATE THE EVENT AS SPECIFIED IN THE CAPTION

UPDATE Updated with most recent polling numbers Sept. 20 The race is too close to call ahead of the Sept. 20 election, which could see Liberal Prime Minister Justin Trudeau defeated by a largely unknown Conservative rival.

Ukraine’s President Volodymyr Zelenskiy places a wreath at the Tomb of the Unknown Soldier at Arlington National Cemetery in Arlington, Virginia, U.S., September 1, 2021. REUTERS/Evelyn Hockstein

Ukraine?s President Volodymyr Zelenskiy places a wreath at the Tomb of the Unknown Soldier at Arlington National Cemetery in Arlington, Virginia, U.S., September 1, 2021. REUTERS/Evelyn Hockstein

Ukraine’s President Volodymyr Zelenskiy is escorted prior to placing a wreath at the Tomb of the Unknown Soldier during a ceremony at Arlington National Cemetery in Arlington, Virginia, U.S., September 1, 2021. REUTERS/Evelyn Hockstein

Ukraine’s President Volodymyr Zelenskiy pauses with his miltary escort prior to placing a wreath at the Tomb of the Unknown Soldier during a ceremony at Arlington National Cemetery in Arlington, Virginia, U.S., September 1, 2021. REUTERS/Evelyn Hockstein

Ukraine’s President Volodymyr Zelenskiy places a wreath at the Tomb of the Unknown Soldier during a ceremony at Arlington National Cemetery in Arlington, Virginia, U.S., September 1, 2021. REUTERS/Evelyn Hockstein

Ukraine’s President Volodymyr Zelenskiy pauses prior to placing a wreath at the Tomb of the Unknown Soldier during a ceremony at Arlington National Cemetery in Arlington, Virginia, U.S., September 1, 2021. REUTERS/Evelyn Hockstein

Ukraine’s President Volodymyr Zelenskiy pauses prior to placing a wreath at the Tomb of the Unknown Soldier during a ceremony at Arlington National Cemetery in Arlington, Virginia, U.S., September 1, 2021. REUTERS/Evelyn Hockstein

Ukraine’s President Volodymyr Zelenskiy pauses as he places a wreath at the Tomb of the Unknown Soldier at Arlington National Cemetery in Arlington, Virginia, U.S., September 1, 2021. REUTERS/Evelyn Hockstein

Riot police stand among flames from petrol bombs on the Tomb of the Unknown Soldier during a protest against coronavirus disease (COVID-19) vaccinations outside the parliament building, in Athens, Greece, August 29, 2021. REUTERS/Costas Baltas

Riot police stand among flames from petrol bombs on the Tomb of the Unknown Soldier during a protest against coronavirus disease (COVID-19) vaccinations outside the parliament building, in Athens, Greece, August 29, 2021. REUTERS/Costas Baltas

Riot police stand among flare smoke on the Tomb of the Unknown Soldier during a protest against coronavirus disease (COVID-19) vaccinations outside the parliament building, in Athens, Greece, August 29, 2021. REUTERS/Costas Baltas

Laid out on a tray are parts of the 43 million-year-old fossil of a previously unknown four-legged amphibious whale called "Phiomicetus Anubis", that helps trace the transition of whales from land to sea, which were discovered in the Fayum Depression in the Western Desert of Egypt, near the town of El Mansoura, north of Cairo, Egypt, August 26, 2021. REUTERS/Mohamed Abd El Ghany

Abdullah Gohar, a researcher at El Mansoura university, works on renovating the 43 million-year-old fossil of a previously unknown amphibious four-legged whale species called "Phiomicetus anubis" that helps trace the transition of whales from land to sea, discovered in the Fayum Depression in the Western Desert, near the town of El Mansoura, north of Cairo, Egypt, August 26, 2021. REUTERS/Mohamed Abd El Ghany

Abdullah Gohar, a researcher at El Mansoura, university works on renovating the 43 million-year-old fossil of a previously unknown four-legged amphibious whale called "Phiomicetus Anubis", that helps trace the transition of whales from land to sea, which were discovered in the Fayum Depression in the Western Desert of Egypt, near the town of El Mansoura, north of Cairo, Egypt August 26, 2021. REUTERS/Mohamed Abd El Ghany

Abdullah Gohar, a researcher at El Mansoura university, works on renovating the 43 million-year-old fossil of a previously unknown amphibious four-legged whale species called "Phiomicetus anubis" that helps trace the transition of whales from land to sea, discovered in the Fayum Depression in the Western Desert, near the town of El Mansoura, north of Cairo, Egypt, August 26, 2021. REUTERS/Mohamed Abd El Ghany

Abdullah Gohar, a researcher at El Mansoura, university works on renovating the 43 million-year-old fossil of a previously unknown four-legged amphibious whale called "Phiomicetus Anubis", that helps trace the transition of whales from land to sea, which were discovered in the Fayum Depression in the Western Desert of Egypt, near the town of El Mansoura, north of Cairo, Egypt August 26, 2021. REUTERS/Mohamed Abd El Ghany

Abdullah Gohar, a researcher at El Mansoura university, works on renovating the 43 million-year-old fossil of a previously unknown amphibious four-legged whale species called "Phiomicetus anubis" that helps trace the transition of whales from land to sea, discovered in the Fayum Depression in the Western Desert, near the town of El Mansoura, north of Cairo, Egypt, August 26, 2021. REUTERS/Mohamed Abd El Ghany

German Chancellor Angela Merkel takes part in a wreath-laying ceremony at the Tomb of the Unknown Soldier in Kyiv, Ukraine August 22, 2021. REUTERS/Andreas Rinke

German Chancellor Angela Merkel takes part in a wreath-laying ceremony at the Tomb of the Unknown Soldier in Kyiv, Ukraine August 22, 2021. REUTERS/Gleb Garanich

German Chancellor Angela Merkel takes part in a wreath-laying ceremony at the Tomb of the Unknown Soldier in Kyiv, Ukraine August 22, 2021. REUTERS/Gleb Garanich

German Chancellor Angela Merkel takes part in a wreath-laying ceremony at the Tomb of the Unknown Soldier in Kyiv, Ukraine August 22, 2021. REUTERS/Gleb Garanich