Under the ground / Pluckrose, Henry Arthur

Describes underground areas including subways,bank.vaults, and basement offices as well as the machines used to construct these places, dig tunnels, mine coal and drill for oil.

Detailed photographs with interesting facts explore the underground world of animals, insects, plants, and people who work underground.

Describes underground areas including subways, bank vaults, and basement offices as well as the machines used to construct these places, dig tunnels, mine coal, and drill for oil.