The CTBUH said since the spire on top of One World Trade Center is a permanent feature of the building and has no communications equipment, it is not considered an antenna and so it is considered the top of the building.
This attracted some critics, notably Chicago Mayor Rahm Emanuel who railed against the decision.
The decision also attracted a bit of New York gloating. Here’s New York City Deputy Mayor Howard Wolfson.
Great day to visit US’s 2nd tallest bldg You can see a long way from the top of the Willis Bldg - but not far enough
- Hillary Clinton has officially accepted the Democratic party's presidential nomination with some fiery words for Donald Trump 🇺🇸
- A federal court struck down North Carolina's voting restrictions, ruling they intentionally made it harder for black people to vote.
- Four people in Florida are likely the first to contract the Zika virus from mosquitos in the US, the state's governor says.