However, when you install two panes of glass with a sealed gap ... the window turns cloudy. The only remedy is to replace it.

While it's highly likely you've heard of double glazing – window made with two panes of glass separated by an air gap for insulation – you may be less familiar with triple pane windows. These instead ...

so they'll be protected behind the glass when the decorative side is facing out on your wall. Once you have the photos where you want to display them, go ahead and flip the photos over and tape them ...