Invisible Man and the Masque of Blackness  Invisible Man and the Masque of Blackness was an art installation by Zak Ové, installed outside San Francisco City Hall in Civic Center, San Francisco, in the U.S. state of California. The installation was installed in July 2018, and remained there until November 2018. It features 40 identical statues, each weighing approximately 300 lbs.