About shooting blood diamonds.

Although the film will be shot in Sierra Leone, there is no infrastructure to accommodate the crew in Equatorial West Africa, so we need to find alternatives. Finally, the crew found an ideal location near KwaZulu-Port Edward in natal province. The dense rainforest terrain provides a background for diamond mines, refugee camps and Benjamin's school.

The weather is the biggest headache for the crew. In the years when director zwick filmed, this film is the third time that he prayed for a beautiful film. However, contrary to expectations, the film crew encountered the biggest rainfall record in local history, and all they could do was adapt, so Zwick and photographers often had to redesign the lens.

Producer Paula Varnstam joked, "This is a vibrant area. Every morning, when we get together, the first thing we do is to describe the size of the bedbugs we saw the night before. In this case, you must have a sense of humor. "

In addition to bad weather and outdoor living conditions, the crew also faces bad environmental supervision. Before the film crew enters the valley, a comprehensive environmental impact investigation must be carried out. In the process of work, we must abide by the environmental management plan. Officials of KwaZulu-natal province Land Bureau supervise the crew to properly handle local plants every day. Local plants that need to be demolished must be transplanted correctly and carefully maintained, and must be moved back to their original places after shooting. In order to create the characteristics of Sierra Leone, the crew also brought some unique plants from Sierra Leone to decorate the shooting scene. Since it needs to be transported by truck, it needs paving. The crew paved a temporary road on the barbed wire to resist large vehicles. After the shooting, this structure is easy to lift, and the natural vegetation will gradually restore its original appearance.

After filming in South Africa, the crew moved to Mozambique, and Maputo, the capital of Mozambique, will play Freetown, the capital of Sierra Leone. The crew hired a large number of local extras. Ngila Dickson, a fashion designer who worked with Zwick on The Last Samurai, went to Sierra Leone to choose fabrics and found many clothes in second-hand shops that matched the story.

In order to prevent the riots and fighting scenes in the filming from disturbing the local residents and causing panic about Mozambique's civil war, the crew distributed a large number of leaflets, and the news media also told the residents that what they saw and heard was only for filming. This scene is so real that German dialect coaches can't bear to watch it. Semura said: "Sad memories reappeared in front of me, and I must admit, it made me realize how lucky I am to be alive. I went back to the hotel room and cried, then hung up and told my children that I loved them. "

During the filming, many actors visited the SOS Children's Village in Maputo. After the shooting, most props, building materials, clothes and even some personal property were distributed to local orphanages and hospitals. In addition, the construction department of the crew also made tables and chairs for the orphanage.