The architecture of Taiwan can be traced back to stilt housing of the aborigines in prehistoric times; to the building of fortresses and churches in the north and south used to colonize and convert the inhabitants during the Dutch and Spanish period; the Tungning period when Taiwan was a base of anti-Qing sentiment and Minnan-style architecture was introduced; in Qing dynasty period, a mix of Chinese and Western architecture appeared and artillery battery flourished during Qing's Self-Strengthening Movement; During the Japanese rule of Taiwan, the Minnan, Japanese and Western culture were main influencers in architectural designs and saw the introduction and use of reinforced concrete. Due to excessive Westernization as a colony, after the retrocession of Taiwan to the Republic of China in