Hypertufa: Odd word for a lovely pot. Handmade hypertufa pots are easier to make than you'd think. Almost anyone can make them at home with just four ingredients -- Portland cement, perlite, water and either peat moss or potting soil.
Made from concrete. It was created by a UK-based company called Gray Concrete, appropriately enough, for the Design exhibition in London, and the incredible amount of detail in it was captured using the company's special molding techniques.