Shanghai World Expo China Railway Pavilion សាលពិព័រណ៍ពិភពលោកសៀងហៃ មជ្ឈមណ្ឌលសិល្បៈសម្តែងពិព័រណ៌ពិភពលោកសៀងហៃ Shanghai World Expo Singapore Pavilion អាផាតមេន Shanghai World Expo Shanghai World Expo Axis និង Undergroud Complex