Riot security forces clash with demonstrators as a motorcycle is set on fire during a protest against Venezuelan President Nicolas Maduro's government in San Cristobal, Venezuela May 29, 2017. (Photo by Carlos Eduardo Ramirez/Reuters)

Fifty years ago, as France exploded in mass protests, words scrawled on the walls of the Sorbonne summed up the revolutionary zeal of the time: “Run free, comrade, we’ve left the old world behind!”. Sexual liberation, artistic creativity and anti-capitalism were the order of the day. For those who were there, it was an unforgettable time. Here: A wounded student is transported by first-aid workers during riots on the Boulevard Saint-Michel, Paris, France on May 6, 1968. (Photo by Gökşin Sipahioğlu/SIPA Press)

A protester poses for a photo in front of a burning barricade in Barcelona, Spain on February 17, 2021 as a protest following the imprisonment of rapper “Pablo Hasel” convicted to jail for glorifying terrorism and insulting Spain's former king in lyrics turns into riots for a second night. (Photo by Matthias Oesterle/ZUMA Wire/Rex Features/Shutterstock)

Women clash with police officers behind riot shields during a protest in support of Victoria Salazar, a Salvadoran woman who died after a Mexican female police officer was seen in a video kneeling on her back, in Mexico City, Mexico on April 2, 2021. (Photo by Raquel Cunha/Reuters)

Polish police in riot gear detain protesters, angry over new restrictions aimed at fighting the coronavirus pandemic, in Warsaw, Poland, Saturday, October 24, 2020. The protesters included entrepreneurs, far-right politicians, football fans and vaccine opponents. The clashes come amid rising social tensions and as new restrictions just short of a full lockdown took effect Saturday. (Photo by Czarek Sokolowski/AP Photo)

An activist shouts amid clashes with Lebanese riot police during a protest to demand the opening of Rafah border crossing between Egypt and the Gaza Strip, outside of the Egyptian embassy in Beirut, Lebanon, 22 February 2024. (Photo by Wael Hamzeh/EPA/EFE)

Texas state troopers in riot gear try to break up a pro-Palestinian protest at the University of Texas, during the ongoing conflict between Israel and the Palestinian Islamist group Hamas, in Austin, Texas, April 24, 2024. (Photo by Jay Janner/USA Today Network via Reuters)

(L-R) Diana Burkot, Maria Alyokhina and Olga Borisova perform at the concert of the anti-cremlin and feminist band p*ssy Riot at Funkhaus Berlin on May 12, 2022. The 33-year-old Alyokhina had only recently fled Russia. Based on the book “Riot Days” by Alyokhina, the “p*ssy Riot Anti-War Tour” presented a performance project consisting of music, theater and video recordings. 19 performances have been announced for the tour. The punk band has been a thorn in the side of the Russian government for years. (Photo by Bernd von Jutrczenka/dpa)