"Meridian (Gold)" in Hunter's Point South Park in Queens."It's a space where people can contemplate the dematerialization of our world," artist Mika Tajima says. Vapor color changes with the price of gold using LED bulbs that shine magenta or blue. "In my mind, I see this fog mist that's the dissipation of the commodity price of gold, but it also obscures our vision of this financial capital. Maybe people will escape the quantification of our lives and talk to the person in front of them."