Decorative Shelving Units

In our times decorative shelving units successfully replaces (with a growing appreciation of interior designers and open space enthusiasts) all kinds of fully enclosed, lockable cabinets or stillages. You may ask: why? Just look at my collection with some excellent examples - maybe you will find the answer on your own. In my opinion, they are easier to maintain, they open space and save additional free space for other decor and finally can be arranged as you want them to be. What do you think about decorative shelving units?