Four Pavilions along the Central Axis the major permanent buildings within the Expo Site. They refer to the Expo Axis, China Pavilion, Theme Pavilions, Expo Center, and Expo Performance Center. The Expo Axis is the main axis in Pudong Expo Site, leasing to the four pavilions through overhead
and underground connections. The Expo Axis, the main traffic hinge in Pudong Site, also connects with the Elevated Pedestrian’ Walk. This Axis will guide visitors to different pavilions in Pudong Site.
“一軸四館”是上海世博會世博園區內主要建築物，將得到永久保留。“一軸四館“所指的建築是：世博軸、中國館、主題館、世博中心、世博演藝中心。世博軸是浦東世博園區的主軸線，從空中平台和地下聯通上述四大世博重要建築。世博軸還與高架步道連通，是園區內的交通樞紐，參觀者進入浦東園區后可由此通達不同的場館。