a realistic diagrammatic drawing of the Earth's inner core in the sketch drawing style of Da Vinci 
a realistic diagrammatic drawing of the Earth's inner core in the sketch drawing style of Da Vinci --v 4
a realistic diagrammatic drawing of the Earth's inner core in the sketch drawing style of Da Vinci
a drawing of a globe with a hole in it
a map of the solar system
a map of the world in sepia tones
a drawing of a globe on an old paper