The finalists for the WTC Memorial have been unveiled. Learn more about the WTC Memorial Finalists from the WTC Memorial website, which gives you the design vision, images, biography/credits, animation of the memorial, and the original 30"x40" submission. (Pictured here is Bradley Campbell and Matthias Neumann's Lower Waters.)

More from Architecture for Humanity and look at greg.org's entry for the WTC Memorial competition.