What are some good documentaries?

NHK documentary Japanese man suffered 83 days after being exposed to nuclear radiation

This incident not only challenged the medical care and treatment of nuclear radiation, but the cause of the accident also challenged nuclear treatment plants and related work The staff sounded the alarm. According to the investigation, the direct cause of the accident was actually closely related to them.

When the factory stipulates that when processing enriched uranium, the mass limit of uranium is 2.4 kilograms. On the same day, the two people mixed 2.4 kilograms of uranium oxide powder with other solvents and added them to the precipitation tank.

But in fact, they had poured a certain amount of uranium nitrate solution the day before. When they poured in the last batch of solution, there were about 16 kilograms of uranium in the settling tank. This value is 7 times the specified value. At this time, the critical mass was clearly exceeded, and a critical accident occurred.

This documentary records Ouchi’s entire process from admission to complete death. There will be discomfort during the process, so watch with caution. "911: The Day That Changed the World"

Introduction: On September 11, 2001, the sun shone as always on New York, the city that never sleeps. In the bustling morning, no one expected that an unprecedented disaster would hit New York and Washington a few hours later, shocking the whole world.

At 8:46 a.m., flight 11 full of passengers was hijacked by terrorists and eventually crashed into Tower 1 of the World Trade Center. Not long after, Flight 175 crashed into Building 2 of the World Trade Center. In an instant, the two iconic buildings emitted billowing smoke, and screams for help, cries, wailings, and sirens resounded over New York.

Not long after, the two buildings collapsed, marking the end of an era and the beginning of the worst era.

Since then, 77 flights have hit the Pentagon and 93 flights have crashed midway. The United States has suffered unprecedented tragedies and terrorist attacks. "The War of Our Worlds"

Captures real war scenes directly from the front lines, using immersive photography and a personal documentary style to present it in a vivid and immersive way World War I. This is history through the eyes of a soldier.

Using first-hand testimonies, interviews, letters and recordings from soldiers, this three-part series uncovers the harrowing and untold experiences of soldiers on the front lines during the war.