Iranian students take part in a protest demanding the United Nations to adopt a strong stance against the United States' recent nuclear threats against Iran, in front of the UN office in Tehran, capital of Iran, April 20, 2010.[Ahmad Halabisaz/Xinhua]
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![Iranian students take part in a protest demanding the United Nations to adopt a strong stance against the United States' recent nuclear threats against Iran, in front of the UN office in Tehran, capital of Iran, April 20, 2010.[Ahmad Halabisaz/Xinhua]](http://images.china.cn/attachement/jpg/site1007/20100421/000cf1bdd03f0d38f09b51.jpg "Iranian students take part in a protest demanding the United Nations to adopt a strong stance against the United States' recent nuclear threats against Iran, in front of the UN office in Tehran, capital of Iran, April 20, 2010.[Ahmad Halabisaz/Xinhua]")
