Planet Earth: An Illustrated History

Limestone
A limestone pinnacle at New Zealand’s Cathedral Cove rises from the ocean. Because it is a hard sedimentary rock, limestone is often the last type of stone to erode in landscapes primarily composed of sedimentary rock. its sturdy nature have made it a preferred construction material for centuries. It is the backbone of both the Pyramids and the Parthenon.

• The Book, "TIME Planet Earth: An Illustrated History"