Up at 53rd...

Clockwise from top:

 

Nearing completion of a $50M Renovation sporting a new façade by Gensler is 399 Park Avenue - 1961 - originally designed by Carson Lundin & Shaw and Kahn & Jacobs

 

Seagram Building NYC - 1958 - Design Architect: Ludwig Mies van der Rohe

 

One Hundred East Fifty Third Street NYC - 2017 - Design Architect: Foster + Partners; Associate Architect: Schuman, Lichtenstein, Claman & Efron

 

Citigroup Center NYC - 1977

Designed by architect Hugh Stubbins and structural engineer William LeMessurier

Done