Filming began in 2018 in parallel with further research in the archives of five different countries, coupled with a global effort to find survivors of the incident and their families. The team flew all over the world, conducting interviews in a large number of locations.
The background to the story and its research can be watched in a 10-minute video here.
The United Kingdom
The People's Republic of China
The United States of America
Canada
Hong Kong SAR
Japan
After nealy seven years of dedicated work, the film was finished and premiered at the 2024 Shanghai International Film Festival, and then in Beijing as it was released to the public in September of that year.