86届世界博览会于1986年5月在加拿大温哥华举行,开幕的前一年,球形预展中心向人们展示了博览会的计划。该中心建在温哥华市的四条城市轴线的交点位置,一座人造港湾东端的小半岛上。引人注目的球形剧场浮在水面上,与港湾北岸的圆形体育场遥相呼应,大大丰富了以矩形建筑群为主体的城市景观。整个球面装有照明设施,夜 The 86th World Exposition was held in Vancouver, Canada, in May 1986. In the opening year, the spherical preview center showed people the plan of the Expo. The center was built at the intersection of four city axes in Vancouver, a small peninsula at the eastern end of the artificial harbor. The eye-catching spherical theater floats on the water and echoes with the circular stadium on the northern shore of the harbor, greatly enriching the urban landscape with rectangular building groups as the main body. The entire sphere is equipped with lighting facilities in the night