It is a nostalgic time right now, and photographs actively promote nostalgia. Photography is an elegiac art, a twilight art. Most subjects photographed are, just by virtue of being photographed, touched with pathos. ... All photographs are memento mori. To take photograph is to participate in another person's mortality, vulnerability, mutability. Precisely by slicing out this moment and freezing it, all photographs testify to time's relentless melt