Dawit L. Petros, an Eritrean-born Canadian artist, suggests in his recent exhibition a connection between the migration of East Africans to Italy and the legacy of colonialism. Here are the hands of African men who are routinely decried as unwanted in Italy; they hold up evidence of a time, barely a century ago, when Italians (out of economic necessity, and as part of a colonizing project) were incentivized to take up residence in countries on the African side of the Mediterranean.