Although Ignacy Czwartos was supposed to present his paintings in the Polish pavilion at this year’s Venice Biennale, Poland’s prime minister, Donald Tusk, allegedly dropped him from the show because his work was deemed too controversial. In response, Czwartos has organized his own exhibition of 15 paintings off-site on Viale IV Novembre, just a few minutes walk away. The paintings invoke long-buried political events between 1945 and 1989 and promise to shock. —Elena Clavarino