A woman walks in front of the Notre-Dame Cathedral in Paris, France, June 2, 2020. The Parvis Notre-Dame was reopened to the public from May 31 after more than one year's close because of the huge fire on April 15, 2019. (Xinhua/Gao Jing)

Flowers are seen in front of the Notre-Dame Cathedral in Paris, France, June 2, 2020. The Parvis Notre-Dame was reopened to the public from May 31 after more than one year's close because of the huge fire on April 15, 2019. (Xinhua/Gao Jing)

People visit the open space in front of the Notre-Dame Cathedral in Paris, France, June 2, 2020. The Parvis Notre-Dame was reopened to the public from May 31 after more than one year's close because of the huge fire on April 15, 2019. (Xinhua/Gao Jing)