Free Public domain clipart for all your serious research needs

The tunnels are passages for trains under mountains, hills and rivers. The tunnels are dark but the trains are well lighted. Electric motors are often used, this avoids the smoke of steam engines which is very unpleasant in the tunnels.

Author

Child's First Picture Book
By Anonymous
Available as a free download from www.gutenberg.org

Posted on

Friday 19 February 2021

Keywords

America, Train, Transport

Albums

• Technology / Transport / Land

Visits

180

Downloads

20