Most colorful Philly lounge feature since the pods at Pod: the 10-foot diameter, 9-foot long, 5,500 glass fiber-optic chandelier hanging on the second floor of the new resto-lounge Vango, on 18th Street near Chestnut. It's a truly international project. It was designed by Gersil N. Kay, of Philly's Conservation Lighting International, using German Schott glass manufactured in Eastern Europe, assembled in England, powered by Danish projectors, installed by Lebanese Americans, and programmed by a specialist from New Jersey. Nine colors at the touch of a button.