2022-11-15 mblum6180_rpcfd1

“Iris,” a palladium print by Allentown artist Matthew Blum, is on display during an artist reception Sunday, Nov. 13, 2022, at the Bethlehem Town Hall Rotunda Gallery. The Nature and Machine exhibition features 30 photographic images created using various processes including palladium, cyanotype and silver gelatin runs through Dec. 21.