Germany Traffic under the Elbe Tunnel In 1911, a half-kilometer-long pedestrian and car tunnel was dug connecting the center of Hamburg with the port across the Elbe River.
Six blast furnaces you can visit today In the early nineteenth century, the industrial revolution swept across continental Europe and one steelworks after another rose from the ground. Europe had hundreds of blast furnaces, but since the mid-twentieth century, Europe's steel industry has been slowly going downhill.