Five years on, investigators are still trying to solve the mystery of what started the blaze at the French religious and cultural landmark.

French President Emmanuel Macron vowed to restore Notre Dame to its former glory and set a five-year deadline. The COVID-19 pandemic caused some delays, but France nearly met that deadline regardless.

President-elect Donald Trump is planning to visit Paris later this week to attend the reopening of Notre Dame Cathedral on December 7, his first overseas trip since his election in November to a second term in office.