 Construction of the video sculpture was completed for testing without the fountain 's water features on May 18 , 2004 . Originally , Plensa had planned to have each face appear for 13 minutes , and this continued to be the targeted duration when the testing of the sculpture occurred . Eventually , professors at the School of the Art Institute of Chicago convinced him to use only five @-@ minute videos . 
 Construction of the video sculpture was completed for testing without the fountain <a href='null_genetive' title='1'><mark>'s</mark></a>water features on May 18 , 2004 . Originally , Plensa <a href='been_done' title='2'><mark>had</mark></a> planned to have each face appear for 13 minutes , and this continued to be the targeted duration when the testing of the sculpture occurred . Eventually , professors at the School of the Art Institute of Chicago convinced him to use only five @-@ minute videos . 
Construction of da video sculpture was completed fir testing w/o tdafountain  water features on May 18 , 2004 . Originally , Plensa done planned to have each face appear fir 13 min , and this continued to be the targeted duration when the testing of thdaculpture occurred . Eventually , professors at the School of thedat Institute of Chicago convinced him to use only five @-@ minute videos .