The stone cutting industry in Mahallat, Iran is a big business - in fact, it accounts for almost half the city's economy. Unfortunately, the cutting process produces a lot of wasted stone that can't be used. Tehran-based Architecture by Collective Terrain wanted to do make use of this "unusable" stone, so they built an apartment building out of the remains. The building is not only stunning, but it also shows the city that their scrap stone is really not waste at all.
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