Stone Stories

The stepwells in India are among the most unusual stone structures in the world

Geometrically complex staircases lead to the water reservoirs sometimes 30 m deep / Ornaments with diverse stone sculptures

In a process similar to coral reef growth, microalgae could create limestone to make cement production carbon neutral – and even carbon negative

A team of scientists led by the University of Colorado Boulder (CU Boulder) was rewarded with a $3.2 million grant to develop the technology

“The New Lives of Old Quarries“ is the title of a brochure from the Australian state of Victoria

The compilation shows what is known from elsewhere, but also gives food for thought for innovative ideas

The monoliths in southern Ethiopia are 1000 years older than previously thought

The sometimes phallus-shaped more then 10,000 standing stones nevertheless do not date from the Stone Age but were erected in the first century A.D.

The Lincoln Memorial in the U.S. capital was dedicated 100 years ago

The many domestic natural stones in the building in the shape of a Greek temple symbolize the unity of the nation

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