Open this photo in gallery: Flowers are left near the crime scene after a man drove a vehicle into pedestrians at the annual Lapu Lapu festival celebrating Filipino culture, in Vancouver, on April 27.NAV RAHI/The Globe and Mail It’s a cliché, of course. You never think it could happen here. And then it happens here. “Here” is East Vancouver, the scene of unimaginable tragedy Saturday night. It is also home. East Van, where I live, is a community of communities. It is as diverse as the people who live here, and the neighbourhoods that flow into one another. We are…