He tastes water like some taste wine. Meet a water sommelier.

"Water is not just water." Martin Riese is part of a very small pool of water sommeliers around the world who have made a profession of tasting and judging the life-giving exilir. Filmmaker David Freid followed Martin from his home at the Patina Restaurant in Los Angeles to the first of its kind water competition and trade show in Guangzhou, China.

The Short Film Showcase spotlights exceptional short videos created by filmmakers from around the world and selected by National Geographic editors. We look for work that affirms National Geographic's belief in the power of science, exploration, and storytelling to change the world. The filmmakers created the content presented, and the opinions expressed are their own, not those of National Geographic Partners.

He tastes water like some taste wine. Meet a water sommelier.

"Water is not just water." Martin Riese is part of a very small pool of water sommeliers around the world who have made a profession of tasting and judging the life-giving exilir. Filmmaker David Freid followed Martin from his home at the Patina Restaurant in Los Angeles to the first of its kind water competition and trade show in Guangzhou, China.

The Short Film Showcase spotlights exceptional short videos created by filmmakers from around the world and selected by National Geographic editors. We look for work that affirms National Geographic's belief in the power of science, exploration, and storytelling to change the world. The filmmakers created the content presented, and the opinions expressed are their own, not those of National Geographic Partners.