The news discusses the unsealing of 24 years old footage related to the terrorist attack in America, presumably the 9/11 attacks. This footage has been sealed off for almost a quarter of a century and is now being made public. The who and why aspects are not revealed by the headline but could relate to the victims of the attack, the United States government, or the media houses that covered the event.

The release of this video footage represents a significant event for Japanese media - primarily because this has been kept confidential for such a long time. Japan has a strong connection with the United States, both politically and socially. Hence, the societal value involved revolves around the openness of information and its possible effect on Japan-US relations.

In the US and EU, such footage release might also have significant implications. It could lead to various speculations, unravel hidden truths, or renew conversations around counter-terrorism measures. The handling of such issues often involves thorough fact-checking, ensuring credibility, and sensitivity, considering the potential trauma associated with such footages.