<iframe width="580" height="385" src="https://www.youtube.com/embed/_d6wxAIUGWU?hl=en" frameborder="0" allowfullscreen></iframe> <br>CriticalPast is an archive of historic footage. The vintage footage in this video has been uploaded for research purposes, and is presented in unedited form. <br><a href="https://www.youtube.com/watch?v=_d6wxAIUGWU">source</a>