Complex sentence: Together with Longo, Charles Clough and Nancy Dwyer, she created Hallwalls, an arts center and a snapshot of Buffalo in the late 1970s, a city which had gained a reputation as a model laboratory for artists interested in dismantling boundaries between media.
Split into simpler sentences: Together with Longo, Charles Clough and Nancy Dwyer, she created Hallwalls, an arts center. The center was a snapshot of Buffalo in the late 1970s, a city which had gained a reputation as a model laboratory for artists interested in dismantling boundaries between media.