1 Igneous Rocks: form by crystallizing melted material (magma). 2  They can form either on the surface (extrusive igneous rocks), or deep in the crust (intrusive or plutonic igneous rocks). 3  Volcanoes are places where magma erupts as lava or ash.
Swedish furniture manufacturer Ikea founder Ingvar Kamprad and late wife Margaretha at a local shop in Sweden.
Modest: The home of IKEA founder, Ingvar Kamprad, in Switzerland. Success: Kamprad's company is estimated to be the source of a tenth of all beds in Europe. Such is its success, it is said that one in 10 Europeans is now conceived on an Ikea bed.