Tunnel winter weather door.
<video controls autoplay loop>
<source src="https://diqn32j8nouaz.cloudfront.net/tooltalk_17274957545446.mp4" type="video/mp4">
Your browser does not support the video tag.
</video>
Previously:
1952 subway tunnel cleaning machine - photo
Roadheader cutting tunnel - GIF
Tunnel blasting shockwave - GIF
Tunnel construction GIF
Tunnel washing truck - videos
Tunneling and mining roadheader - GIF
