Faulders Studio, a California-based architectural firm, proposed a new concept for Dubai tower that will use salt water to grow its own skin. The GEOtube building will absorb seawater through a 2.9-mile underground pipeline and spray it over a mesh facade. "The result is a crystalline salt surface," and the "building skin continually accumulates over time," said the company founder, Thom Faulders.

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