Complex sentence: The sole-surviving remnants of Washington's first building are four, white, hand-fluted cedar, Ionic columns--all of which were salvaged by Edmond S. Meany, one of the University's first graduates and former head of its history department.
Split into simpler sentences: The sole-surviving remnants of Washington's first building are four, white, hand-fluted cedar, Ionic columns. They were salvaged by Edmond S. Meany, one of the University's first graduates and former head of its history department.