New York City. Wall Street. The epicenter of American Finance and economic power, and one of the most iconic cities in the history of the world. It's home to the headquarters of the biggest investment banks on earth like JP Morgan and Chase, Morgan Stanley, and Goldman Sachs, the headquarters for the behemoth of the asset management world Black Rock, and it's home to the biggest stock exchanges in the world including the NASDAQ and of course the New York Stock Exchange which commands 42.4% of global market capitalization all worth $ 46.7 trillion as of 2023. But it wasn't always this powerful. But it wasn't always this powerful and it hasn't always been the financial capital of the world it simply holds that title today.
[VIDEO] The Most Dangerous Building in Manhattan
How a single phone call from a student helped uncover a flaw that nearly toppled Citicorp.
0:00 Why is the citicorp building on stilts?
4:44 How wind load works
7:49 Tuned Mass Dampers
11:17 The Anonymous Student
14:00 Quartering Winds
18:38 What were the odds of collapse?
20:31 How was the citicorp building fixed?
25:40 Hurricane Ella
27:00 TMDs Take Over The World
28:36 Conspiracies and Cover Ups
[WATCH] The UN Building Looks out of Place – And That Was The Point
Today Michael Wyetzner of Michielli + Wyetzner Architects joins AD in New York for an in-depth walking tour of the United Nations. Founded in 1945, the UN now comprises 193 member states, all of whom assemble at their modernist headquarters on the bank of the East River in NYC. The birthplace of international diplomacy, the United Nations became the first major building in New York to represent International Style architecture.