A team of Illinois scientists have developed a form of "Martian concrete" that could be used to build on the surface of Mars. The construction material combines Martian soil with molten sulphur, and unlike regular concrete the Martian concrete is produced without water.
The Martian concrete is said to entirely recyclable meaning it could be melted down and rebuilt into a new form. Plus, the new form of concrete is naturally resistant to acid and salt and can endure very low temperatures.