By: R. Collins On September 29, 2018, theMART, formerly known as The Merchandise Mart, will host a series of curated digital artworks projected across nearly 2.5 acres of its exterior riverside façade after dusk around 7:15 p.m., launching an inaugural program known as Art on theMART. The inaugural exhibition will showcase the works of renowned artists Diana Thater, Zheng Chongbin,…