These spires were considered an architectural part of the building, so their length was included in the building's height measurement.

VOA: special.2010.03.31

It is also the tallest building when measuring height to tip, and highest occupied floors.

VOA: special.2010.03.31

To be a building, half of a structure's height must have usable floor space.

VOA: special.2010.03.31

This building measures eight hundred twenty-eight meters in height.

VOA: special.2010.03.31