Heineken and Neil Patrick Harris hope to bring a water-purifying swimming pool to the East River: VIDEO

It’s a once far off dream that is getting nearer — water so clean in the New York’s East River that you can swim in it. But three designers are intent on making just that happen with their invention, “+pool,” a pool that floats in the river and filters the water that floods the pool.

The concepts has been around for a few years now, and you’ve probably heard at least something about it, but now two powerhouses are backing the idea: Heineken and Neil Patrick Harris.

Check out the video below to learn more.