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The German team is sharing the excavation site with research teams from Argentina, Brazil and Italy. For this reason, each group only has a certain amount of time to work in the burial chamber. As a result of earlier restoration attempts, in which the layer of soot was simply scraped away, some of the drawings are barely recognisable. The restorers have been successful in some places, but for others they still need special equipment from Germany. While they are already planning how to find this, the other teams make a valuable discovery.