A person dressed as a zombie mermaid poses for a photo as she interacts with patrons at the Haunted Hotel Takeover Halloween party at hotel Ziggy in West Hollywood, California, U.S., October 29, 2022. (Photo by Mario Anzuoni/Reuters)

Actor Will Smith attends the Los Angeles Premiere of Columbia Pictures' “Bad Boys: Ride Or Die” at the TCL Chinese Theater on May 30, 2024 in Hollywood, California. (Photo by Eric Charbonneau/Getty Images for Sony Pictures)

Presenter Sofia Vergara arrives at the 88th Academy Awards in Hollywood, California February 28, 2016. (Photo by Adrees Latif/Reuters)

Chinese-American actress Bai Ling is seen on October 15, 2018 in Los Angeles, CA. (Photo by Hollywood To You/Star Max/GC Images)

A woman walks the grounds in costume as revellers celebrate Dia De Los Muertos (Day of the Dead) at Hollywood Forever Cemetery in Los Angeles, California, on October 28, 2023. Every year on the last Saturday before November 2nd, Hollywood Forever Cemetery welcomes members of the community to celebrate Dia de Los Muertos, which reunites and honors beloved ancestors, family, and friends. (Photo by David Swanson/AFP Photo)

Dutch supermodel Bregje Heinen sets pulses racing as she models for lingerie brand Frederick's of Hollywood on February 18, 2020. The 26-year-old beauty, a former Victoria's Secret model, strips off in a launderette as she showcases the company's spring 2020 collection. (Photo by Frederick's of Hollywood/The Mega Agency)

To mark World Water Day, on March 22nd Solidarités International and its agency BDDP Unlimited will roll out a campaign to build awareness of the scourge of undrinkable water.