Law enforcement clashes with demonstrators outside the Metropolitan Detention Center, MDC, in downtown Los Angeles, California on June 8, 2025. US President Donald Trump deployed 2,000 troops on June 7 to handle escalating protests against immigration enforcement raids in the Los Angeles area, a move the state's governor termed “purposefully inflammatory”. Federal agents clashed with angry crowds in a Los Angeles suburb as protests stretched into a second night Saturday, shooting flash-bang grenades and shutting part of a freeway amid raids on undocumented migrants, reports said. (Photo by Frederic J. Brown/AFP Photo)

A masked Bulgarian dancer takes part in the second competition day of the 24th International Festival of Masquerade Games “Surva” in the town of Pernik, Bulgaria Saturday, January 31, 2015. Some 5,000 people are expected to take part in the three-day festival devoted to an ancient Bulgarian pagan rite. Surva is performed by costumed men, some in sheepskin, or other colorful garments, bells and masks, who walk around and dance to scare away the evil spirits, in hope to provide a good harvest, health, fertility, and happiness. (Photo by Valentina Petrova/AP Photo)

Masked dancers perform a ritualistic dance at Kathmandu Durbar Square during the procession of erecting a sacred pole locally called “Ya: Shi”, marking the formal start of Indra Jatra dedicated to rain god Indra in Kathmandu, Nepal, on September 15, 2024. (Photo by Subaas Shrestha/NurPhoto/Rex Features/Shutterstock)

A masked protester talks to a soldier during clashes after the funeral of Brig. Gen. Wissam al-Hassan October 21, 2012. Lebanese soldiers fired guns and tear gas to push back hundreds of protesters who broke through a police cordon and tried to storm the government headquarters in Beirut. (Photo by Hussein Malla/Associated Press)

A member of Venezuelan brotherhood “Dancing Devils” wears a horse mask while his nephew looks at him during their annual Corpus Christi celebration with a call for the end of the coronavirus disease (COVID-19), in Naiguata, Venezuela on June 3, 2021. (Photo by Leonardo Fernandez Viloria/Reuters)

Dancer of the Berlin State Ballet (Staatsballett Berlin) wear face masks as they perform during the dress rehearsal of Don Quixote in a production choreographed by Victor Ullate, amid the coronavirus disease (COVID-19) pandemic at Deutsche Oper opera house in Berlin, Germany, December 1, 2021. (Photo by Fabrizio Bensch/Reuters)

A performer plays the violin as a passerby wears a mask in Times Square as Manhattan is shrouded in haze and smoke which drifted south from wildfires in Canada, in New York City, New York, U.S., June 7, 2023. (Photo by Maye-E Wong/Reuters)

Children wearing cardboard lion dance masks walk along a street in Beijing on January 13, 2023. China has announced its first overall population decline in recent years amid an aging society and plunging birthrate. (Photo by Mark Schiefelbein/AP Photo)