Geography of Taiwan its narrowest. Part of the continental shelf, the Strait is no more than deep, and has become a land bridge during glacial periods. To the south, the island of Taiwan is separated from the Philippine island of Luzon by the -wide Luzon Strait. The South China Sea lies to the southwest, the East China Sea to the north, and the Philippine Sea to the east. Smaller islands of the archipelago include the Penghu islands in the Taiwan Strait west of the main island, with an area of , the tiny islet of Xiaoliuqiu off the southwest coast, and Orchid Island
Flag of the Republic of China China, and as such the government of the PRC has made it clear that for Taiwan to change the flag would be a major provocation in favor of Taiwan independence. The ambiguity surrounding the flag was made apparent during the trip of Kuomintang Chairman Lien Chan to mainland China in April 2005, during which the flag was very prominently displayed at ceremonies honoring Sun Yat-Sen at which both KMT party officials and government officials from the PRC were in attendance. One place in Mainland China where the White Sun emblem is still prominently displayed in public is the ceiling mosaic