In the vast stretches of the Nefud Desert in northern Saudi Arabia, getting lost can quickly become a matter of life or death. Every year, dozens of people go missing in this unforgiving environment, often just a few hundred meters from water sources they are unable to locate. To address this tragedy, explorer and environmentalist Mohammed Fohaid al-Sohaiman al-Rammali came up with a simple yet brilliant idea: installing solar-powered laser beacons near water sources.