What is the fine-grained topic of the following text: "At UNESCO, we think it would be double treachery," said Muriel de Pierrebourg, spokeswoman for the Paris-based agency's Japanese Director General Koichiro Matsuura who has travelled to Kabul to discuss the future of Bamiyan with Afghan leaders. Only return the topic.
UNESCO's discussions about the future of Bamiyan with Afghan leaders.