A tourist walks inside the Ice Palace glacier hollow at Hintertux glacier, located at around 3250 meters above sea level, in Zillertal, Austria, 02 March, 2016. The hollow's temperature remains constant at 0 degrees Celsius, in summer and winter alike, and is also used by the University of Innsbruck for scientific research projects. (Photo by Lisi Niesner/EPA)

A newly born Indian white tiger cub yawns in its enclosure at Liberec Zoo, Czech Republic, April 25, 2016. (Photo by David W. Cerny/Reuters)

A tiger enjoys frozen food at Rome Zoological Garden “Bioparco” during a heat wave in Rome on July 2, 2025. (Photo by Tiziana Fabi/AFP Photo)

White Bengal tiger named Romina is pictured inside its new enclosure at La Aurora Zoo in Guatemala City on October 24, 2024. (Photo by Johan Ordonez/AFP Photo)

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.