This could be one way to help combat a shortage in housing.
In recent years, some companies have gotten creative and started building homes out of unused shipping containers.
This video from 2018 is part of a series where we are looking back at most-watched viral videos.
The video had more than 2.2 million views at the time this story was published.
Builders purchase the containers from ports, and then start the process of converting them into homes for people.
The video above has all the details as to how it all works.