历届世博会的建筑和博览会上展示的产品一样,都是世博会的主要亮点,而且世博会建筑本身就是一种展品。1851年伦敦世博会的水晶宫本身就具有轰动效应,开创了建筑工业化。1889年巴黎世博会的埃菲尔铁塔和机械馆堪称建筑史上的里程碑。1915年旧金山世博会留下的建筑是美术馆(1966年重建)。1925 The previous World Expo buildings and exhibitions on the same products, are the main highlights of the Expo, and the Expo itself is a building exhibits. Crystal Palace in London in 1851 itself has a sensational effect, creating a building industrialization. The 1889 Eiffel Tower and the Mechanical Pavilion at the Paris Expo are milestones in the history of architecture. The building left by the 1915 San Francisco Expo is the Art Gallery (rebuilt in 1966). 1925