are perceived to be similar to those utilized when demonstrations were held outside the American embassy in Beijing after NATO forces bombed the PRC embassy in Belgrade, Yugoslavia in May 1999. The slogan "patriotism is not a sin" () is popular, albeit in a sarcastic sense, among the PRC protesters. Political observers on the U.S. National Public Radio have argued that the controversy is being allowed by the PRC government partly in order to further a multitude of political goals. American news outlets CNN and Time Magazine have also pointed out that historical inaccuracies are not limited to Japanese textbooks, but that Chinese government-made textbooks are equally rife with omissions and non-neutral point of view. Cases of questioned text include the Great Leap Forward, China's 1979 invasion of Vietnam, the Cultural Revolution ("lots of appalling events happened") and the 1989 Tiananmen Square protests and massacre, in which hundreds or thousands of protesters were killed. Tibet is a subject given scant mention except by foreign press, and Xinjiang remains detached from the ongoing controversy. Japanese response to Chinese protests In Japan, no large-scale anti-PRC rallies or demonstrations took place, although a small number of protesters demonstrated outside PRC consulates, and in one case a spent cartridge case was mailed to Chinese officials. Nevertheless, more and more people canceled their travel plans to China, and some doubt was raised about the 2008 Summer Olympics, scheduled to be held in Beijing. The Japanese foreign minister visited Beijing to meet his counterpart on April 17. The Xinhua News Agency reported that in the meeting held in Beijing between PRC and Japanese foreign ministers, the Japanese minister offered an apology for Japan's wrongdoings during World War II. However, Xinhua omitted in its report that in this meeting the Japanese negotiators demanded an apology and compensation for damage against Japanese property and people. That demand was rejected by Li Zhaoxing, the Chinese foreign minister. Meanwhile, the Japanese foreign ministry officially denied the news reports from the state-controlled Xinhua News Agency, which reports little about the ongoing patriotic demonstrations in major Chinese cities. The Tokyo Stock Exchange recorded a sharp plunge on Monday, April 18, and correlations between the demonstrations and Sino-Japanese economic ties are raised in the financial industry. Japanese Prime Minister Junichiro Koizumi expressed his "deep remorse and heartfelt apology" for the suffering that Japan caused other Asian nations during World War II at the