Columbia subject headings:
Architecture, Modern--21st century--Exhibitions.
Architecture--Awards--Germany--Frankfurt am Main--Exhibitions.
Internationaler Hochhaus Preis--Exhibitions.
Skyscrapers--Exhibitions.
Harvard subject headings:
Architecture, Modern--21st century
Architecture--Awards
Architecture--Competitions
Skyscrapers--Designs and plans--Competitions.
Tall buildings--Designs and plans--Competitions.
Princeton subject headings:
Architecture, Modern--21st century--Exhibitions.
Architecture--Awards--Germany--Frankfurt am Main--Exhibitions.
Internationaler Hochhaus Preis (2010)--Exhibitions.
Skyscrapers--Exhibitions.