Well, the core will have to raise now. The next 3 level columns are going up but they can only place hollow core on two because the slip form is in the way.
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"But a city can be smothered by too much reverence for its past. The skyline must keep acquiring new peaks, because the day we consider it complete and untouchable is the day the city begins to die." - Justin Davidson - May 2010 Issue of New York
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