English: View of Ha-Minsara (The Carpentry Shop) in Makhtesh Ramon, from its bottom, Negev, Israel In the centre of Makhtesh Ramon is Ha-Minsara (The Carpentry Shop), a low hill made up of black prismatic sandstone rocks , and interestingly, the rectangular pipes on the side of the hill are made of the same sort of sand found on beaches. As such, this is the only place in the world where prisms made of heated sand turned into liquid which, in cooling naturally formed rectangular and hexagonal prisms, can be seen