The organizers have prepared alternatives to staging the highly-anticipated Paris Olympic Games opening ceremony on the River Seine if there are excessive security risks, French president Emmanuel Macron admitted on Monday.

Greek actress Mary Mina (front L), playing the role of the High Priestess, lights the flame during the final dress rehearsal of the Olympic flame lighting ceremony for the Paris 2024 Summer Olympic Games in Ancient Olympia, Greece, on April 15, 2024. (Xinhua/Zhao Dingzhe)

As the countdown to the Olympics reaches the critical 100-day mark, Macron spoke to French broadcasters RMC and BFM TV inside the Grand Palais. While he reiterated his confidence in successfully hosting the ceremony on the Seine, he also acknowledged that alternative plans were under consideration due to potential security challenges.

"If we think there are security risks we'll have Plan Bs, and even Plan Cs," he said. "We are preparing them in parallel. We will do an analysis in real time. We have a ceremony which would be limited to the Trocadero and which would therefore not cover the entire Seine."

Macron also mentioned the possibility of relocating the ceremony to the Stade de France.

"This is what is traditionally done," he added.

Hosting the opening ceremony in the open urban space was a highly imaginative move by the Paris organizing committee and the local government.

According to the current plan, about 10,500 athletes are expected to travel approximately six kilometers from east to west along the Seine, disembarking near the Eiffel Tower at Trocadero Square for the celebration. An estimated 300,000 spectators are anticipated to watch the event live from both sides of the river.

However, security has been a significant concern from the outset of planning. The increasing risk of potential terrorist attacks is a critical consideration for both the organizing committee and the French government.

The Olympic flame for the Paris Games will be lit on April 16 in ancient Olympia, Greece. April 17 will mark the 100-day countdown to the opening of the Paris Olympics.

The Paris Olympics will take place between July 26 and August 11, followed by the Paris Paralympics from August 28 to September 8.