Regina Hall pours on the hand sanitizer after taking long distance selfies with fans in NYC amid massive closures due to the coronavirus on March 12, 2020. (Photo by DIGGZY/Splash News and Pictures)

Canadian singer-songwriter Shania Twain poses for a selfie as she attends the 2022 People's Choice Awards in Santa Monica, California, U.S. December 6, 2022. (Photo by Mario Anzuoni/Reuters)

Phoenix Mercury guard Sophie Cunningham takes a selfie with teammate Brittney Griner, during the WNBA basketball teams' media day, in Phoenix, Wednesday, May 3, 2023. (Photo by Matt York/AP Photo)

Ghanaian fans take a selfie prior to a Group G football match between Germany and Ghana at the Castelao Stadium in Fortaleza during the 2014 FIFA World Cup on June 21, 2014. (Photo by Patrik Stollarz/AFP Photo)

Actress Brittany Snow takes a selfie with a fan at The 2015 MTV Movie Awards at Nokia Theatre L.A. Live on April 12, 2015 in Los Angeles, California. (Photo by Jason Merritt/Getty Images)

A half-naked shrine parishioner using a wooden tub pours cold water onto himself during an annual cold-endurance festival at the Kanda Myojin Shinto shrine in Tokyo, Saturday, January 10, 2015. Pouring cold water on their bodies is believed to purify their souls. (Photo by Eugene Hoshiko/AP Photo)

People take part in a half naked Santa run in downtown Budapest, Hungary, December 9, 2018. The partakers danced, ran, walked and laughed on the streets of Budapest, while others opted to simply raise money for the chosen charity. Many people had the names of their charities written on their bellies, while others were dressed in full Santa outfits. (Photo by Bernadett Szabo/Reuters)

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.