Tanking a basement.
<video controls autoplay loop style="max-width: 100%;">
<source src="https://diqn32j8nouaz.cloudfront.net/tooltalk_17422574584328.mp4" type="video/mp4">
Your browser does not support the video tag.
</video>
Previously:
Concealed basement stairs - GIF
Hidden garage basement - GIF
Man builds fullsize train car replica in basement - video
