The "Estonia shipwreck" occurred in the Baltic Sea on September 28, 1994. This accident is known as one of the worst maritime disasters of the 20th century, resulting in 852 casualties. We will explain why it happened, what the issues were, and what could have been done differently. ------------ In "Yukkuri Archive," we provide commentary on distress accidents that occurred in mountains and seas. By examining the actual circumstances, such as "why it happened" and "what should have been done," we reflect on these events to learn for the future. Since we create our videos with great care, some may be long, so please subscribe to the channel so you don't miss the next video. Note: Due to the nature of the genre, there will be many descriptions regarding accidents and loss, but there is no intention to disrespect those involved.