Tunnels

An engineering feat first attempted in Babylonian times, tunnels are an integral part of 20th century society. Yet they remain among the most dangerous projects ever undertaken. Here are the... Read allAn engineering feat first attempted in Babylonian times, tunnels are an integral part of 20th century society. Yet they remain among the most dangerous projects ever undertaken. Here are the stories of the world's great tunnels, of the genius of men and the marvels of machinery. ... Read allAn engineering feat first attempted in Babylonian times, tunnels are an integral part of 20th century society. Yet they remain among the most dangerous projects ever undertaken. Here are the stories of the world's great tunnels, of the genius of men and the marvels of machinery. From Brunel and Greathead, who developed an innovative shield which allowed them to burrow... Read all