A hot-air balloon brought an Olympic ring of fire into a rainy sky and singer Celine Dion belted from the Eiffel Tower as Paris kicked off its first Summer Olympics in a century.

Two climate activists have hurled soup at the glass protecting the Mona Lisa at the Louvre Museum in Paris and shouted slogans advocating for a sustainable food system.

French police say the Louvre Museum and Versailles Palace evacuated visitors and staff after receiving bomb threats.

The Louvre Museum in Paris has been closed to the public because its workers took part in the wave of French protest strikes against the government’s unpopular pension reform plans.

A monthslong Toni Morrison tribute at Princeton University will range from music created and performed by Grammy-winning vocalist Cécile McLorin Salvant to a spring lecture series to a three-day symposium.

Tourism came back with a vengeance to France this summer, sending revenues over pre-pandemic levels.

Perhaps the reason why the Mona Lisa maintains her famously enigmatic smile is that she benefits from one of Paris’ best-kept secrets: An underground cooling system that’s been helping her cope with sweltering heat that has broken temperature records in Europe.

A man seemingly disguised as an old woman in a wheelchair threw a piece of cake at the glass protecting the Mona Lisa at the Louvre Museum and shouted at people to “Think of the Earth.”.

A technician walks in the courtyard of the Louvre museum during the rehearsal of a show by French DJ David Guetta, in Paris, Tuesday, Dec. 29, 2020. Superstar DJ David Guetta has, quite literally, been brought back to Earth by the coronavirus pandemic and says his music has benefitted as a result. (AP Photo/Thibault Camus)PARIS – Superstar DJ David Guetta has been brought back to Earth by the coronavirus pandemic and says his music has benefitted as a result. By bringing the nightclubbing industry to a halt, the virus has been bad for his business of globe-trotting from party to party. I haven’t done this for 20 years," Guetta told The Associated Press before recording his show at Paris' Louvre Museum on Tuesday night.

Visitors take photos of the Leonardo da Vinci's painting Mona Lisa, in Paris, Monday, July 6, 2020. The home of the world's most famous portrait, the Louvre Museum in Paris, reopened Monday after a four-month coronavirus lockdown. Paris' Louvre Museum, which houses the world's most famous portrait, reopened Monday after a four-month coronavirus lockdown and without its usual huge throngs. The bulk of the Louvre's visitors before the pandemic used to come from overseas, led by travelers from the United States. The Louvre is hoping to instead attract visitors from closer to home, including the Paris region, but is bracing for a plunge in numbers.

Journalists walk past Leonardo da Vinci's Mona Lisa during a visit of the Louvre museum ahead of its reopening next July 6, in Paris, Tuesday, June 23, 2020. After four months of virus-imposed inactivity, the world's most visited museum is counting on the worlds most famous portrait, the Mona Lisa to help lure back visitors, when the Louvre reopens on July 6. (AP Photo/Christophe Ena)PARIS The Mona Lisa found herself all alone. The coronavirus had emptied her room at the Louvre Museum of its usual throngs of admirers. Signs remind dawdlers that "Mona Lisa has a great many admirers.

FILE - In this Oct.23, 2019 file photo, tourists wait to see Leonardo da Vinci's painting Mona Lisa, at the Louvre museum, in Paris. Iconic sites that are among some of France's biggest tourist draws won't reopen when the country lifts most of its coronavirus restrictions next week. Neither the Louvre Museum, the Eiffel Tower nor the Versailles Palace will be reopening next week when France lifts many of its remaining coronavirus lockdown restrictions. None of France's three most iconic tourist sites will reopen when the country lifts most of its remaining coronavirus lockdown restrictions next week. About 20%-30% of the museums rooms might be closed but of course the Mona Lisa will be open," Sacristin said.