Burial performance:
Four marbles are buried four meters down in the earth at same time, on July 14, 1990 at 6:30pm.
Material and scales: four pink marbles(ten tons each)
Measurement center: the church tower in the center of the city
Measurement directions: from the church tower towards east, west, north, and south
Measurement proportion: golden section
Measurement of size: 614m x 380m, 233.32m
Southern location: a marble is engraved with "0", the birth date of the city
Eastern location: a marble is engraved with "19902631" the present time and the population of the city
Western location: a marble is engraved with "-102100000" the year of 102 b.c., 100000 roman soldiers died in a battle at this location
Northern location: marble engraved with a broken "0", the disappearance of the city