Mirror wall! Yes, we've all seen this idea go disastrously wrong, but when used as a design element — rather than the stand alone — they can be effective and pleasant rather than jarring and disorienting. the same way you would use picture paneling), using large panels of antiqued mirrors (this breaks up the reflection and reads almost more like art than mirror)
a DIY project for a simple little cafe area in your living room, and other easy DIY projects for small apartments
Group Them Together: While larger mirrors can be quite pricey, many of us don't have the budget for such things. Smaller mirrors are found at discount or thrift stores quite easily and with a super small price tag on them. Paint their frames all the same color and group them on the wall in the same place. The look will be organized without feeling cluttered.