Who doesn& love a good planter box? They are just so versatile and add visual interest to your garden, big or small, indoors or out. Here is one that takes the average garden box and puts a little urban spin on it.
Culy Homemade: gegrilde aubergine met yoghurt-muntsaus en granaatappelpitjes
DIY urban planter box plans - I have not considered anodyzed corrugated metal as a possibility for planter boxes. But it might make a fairly inexpensive building material. Wonder if it has any risk of leaching toxic stuff into soil for vegetable boxes?