I had this created by one of the workers where I used to live - BB. This design can have multi-purposes! I used it as a bird/squirrel feeder (hours of entertainment!).
OR, You can grow herbs, lettuce, flowers & all sorts of stuff (all depending on how big the bamboo is).
You can also get vine-y things like beans which will also create a privacy barrier!!
Another trick I learned is instead of putting rocks at the bottom of the dirt (to help with drainage), break up a bunch of styrofoam things (to-go boxes, coffee cups+)!! (best not to do it with food related things if you're concerned with being organic, etc.)
You can hang this from a roof or ceiling or hang it from a wall. If you drill holes in the bottom for drainage, you'll need to put it outside. If not, you can put this inside.