I think the more interesting aspect was the conditions that allowed this to happen and how this was different to relevant instances of social behavior from other spiders.

Seems like there isnt much footage of the spiders available. https://apnews.com/article/science-spiders-cave-greece-albania-0787583c8638928d742127ab4ee09d31

This video is 1min long and shows a few extra close ups of the web