1958, rich of Belgian Brussels world is met on, central building is structure of a nuclear energy is globose exhibit a house, this is one magnified the iron atom model of 16 billion times. 9 big pellet are joined in order by 20 steel structural frame a whole, it is indicative mankind safety, pacifically uses nuclear energy. The body outside architectural of ” of “ atomic ball pledges for aluminium, 124 meters tall, each sphere diameter is 18 meters. A root props up the structural frame of sphere, it is the passageway tubal form of automatic staircase. 9 tremendous sphere, already 3 are monarched to be permanent scientific exhibition, of the others also send went up commercial use. Among them, one highest becomes luxurious whirl dining-room (graph 2) .

1962, american Xi Yatu held a theme to be the world exposition of the human ” of “ aerospace times, its indicate the gender builds the tall tower that is exquisite of choiceness of a modelling, call ” of “ universe needle, its appearance resembles is an UFO establishs the steel base in slightness above, 185 meters tall, it is one rotates inside the UFO of cat head dining-room, ascend cat head to be able to look down at whole town beautiful scenery, what it had become Xiyatu now is indicative, all day tourist in an endless stream (graph 3) .

The mark sex building that rich of Japanese Osaka world met 1970 is ” of “ sky cabinet, cascade of layer of big house top is added, gallant and topping, imposing stand erect, show Oriental palace architectural adequately grand style.

1999, our country Kunming held world horticultural fair, 69 countries and 26 international organization attend showpiece, after Kunming world rich can end, although do not have special mark building, but the garden of Kunming world rich that covers an area of 218 hectare is whole exhibit an area to be withheld to come down, the large park that whole of the only in becoming horticultural exposition of all previous world saves (graph 4) .