i see it now!
btw the way her are some construction pics i haven't seen from the website:
July 7th forming elevator core levels 23 to 24
July 17th columns levels 23 to 24
July 17th kitchen cabinets level 2
July 18th pouring level 24
July 24th Windows on level 16 Pouring level 25
i couldn't find the circle in any of these pictures