Cities attract and preserve our heritage, but the arts can be one of the first casualties during austere times. Now, a wave of polarisation has left us with few places where we can engage in difficult, nuanced conversations that are not black and white. For cities embroiled in or emerging from conflict, the arts can be that conciliatory grey area. The arts can also allow people to learn from the past and make the marginalised visible.On the flip side, creative people are often outliers, easil...