The video description document has been updated with ROS 5.5 and Promzona 4. Now there are separate download links for each file. All download links are links that authors point to.
Video link:
https://www.youtube.com/edit?o=U&video_id=qkVGuISsJnY
Document link:
https://drive.google.com/open?id=1Mkbvx ... h7O2Reml1g