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.
Yet Ingvar Kamprad, the founder of global juggernaut IKEA, lives in an unassuming bungalow, favours the meatballs sold by his stores and only ever flies economy class, even though he could own a private jet without it even denting his personal fortune.