[slidepress gallery='retna-opening-the-hallelujah-world-tour-curated-by-vladimir-restoin-roitfeld-and-valmorbida'] On February 10, 2011, Vladimir Restoin Roitfeld and Andy Valmorbida presented RETNA, a world renowned graffiti artist, in his first solo exhibition in New York, RETNA: The Hallelujah World Tour. Restoin Roitfeld and Valmorbida curated a solo exhibition of RETNA's art in a pop-up gallery close to the Hudson. Marquis Lewis, the man behind the alias RETNA,…