Out of more than 5,000 entries, his design was chosen. Michael Arad (shown in second picture) had a vision for the 9/11 Memorial that was once a longshot. Now, ten years after it opened to the public, its blossomed into a piece of New York’s everyday fabric. Its scale is massive and personal, and its impact is individual. The deep pool yields a "tangible" absence, he says, showing visitors what – and how much – was lost. "When you walk up to the edge of that void, you feel it,” Arad says. And he wants to know: have you been there at night? “It’s a different experience at night.” 📷: Seth Harrison, The Rockland/Westchester Journal News; Frank Franklin II, AP