From the London Guardian's daily picture gallery of the UN Climate Conference in Copenhagen: "The director Tue Biering (right) and assistant Marijana Jankovic (left) go through the script with a potential actor wearing a wig and sunglasses during the casting for a film called Brad Pitt is saving Planet Earth in Copenhagen. Every day someone is chosen to act in one scene, culminating in 12 scenes making a movie which will be screened on the internet at the end of the climate conference." Click on the image to be taken to the entire Guardian photo gallery. This photo: Adrian Dennis / AFP / Getty Images
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