Hidden Worlds: Amazing Tunnel Stories (Hidden! Series)
By Debora Pearson.
Description
Did you know that... A hundred years ago Chicago had a miniature underground train system that criss-crossed beneath the streets, delivering coal and other materials? The trains could go right into a building's basement. Even today, few people know these tunnels exist.... Or that Paris has over six million skeletons buried in ancient chambers and tunnels beneath the city? The ancient Romans first dug up this spot while mining for rock, but 200 years ago the overcrowded city of Paris needed new space to bury its dead. Hidden Worlds presents 11 intriguing stories of extraordinary tun...
ISBN(s)
1550377442, 9781550377446
