O2 Lighting / Product

Nowadays increasing population requires for more buildings for living, and those buildings most used concrete as construction main material. We all understand concrete is most common, cheap and readily available material just like public materials for everyone. However when this material is widely used or architecture is destroyed or deconstructed, how do we deal with concrete this material? We strongly believe that those waste material can be recycle as new cement by grinding into powder and many cases shows this concept already in progress.