“I ain’t afraid of no ghosts!” The Ghostbusters’ song sounds in my head as I stare fixedly forward. Behind me, I hear quiet breathing, the restless shuffle of feet, a child’s hushed giggle quickly shushed. I don’t look back. I keep my eyes on the glow of the candle sheltered in the lantern in the aisle separating the rows of pews. Ghosts? Here? Never . . . okay maybe. Here is the Cathedral of the Holy Trinity in Quebec City, Quebec. The cathedral, built between 1800 and 1804,