Open this photo in gallery: Abdelkader Benchamma, Solastalgia: Archaeologies of Loss, at The Power Plant Contemporary Art Gallery, Toronto.TONI HAFKENSCHEID/Handout The Fleck Clerestory at the Power Plant in Toronto is a lovely place to stand. There’s light and space above your head and a long corridor in front of you leading your eye to a view of the lake. It is also, however, a narrow corridor, not well configured for hanging art. Artists are regularly commissioned to create installations there and often seem to be left scratching their heads, defeated by the clerestory’s canyon-like walls. Not Abdelkader Benchamma. This fall...