Columbia subject headings:
Architecture and climate--Tropics.
Architecture and energy conservation--Tropics.
Architecture--Environmental aspects--Tropics.
Skyscrapers--Air conditioning--Tropics.
Skyscrapers--Energy conservation--Tropics.
Harvard subject headings:
Architecture and climate--Tropics.
Architecture and energy conservation--Tropics.
Architecture and environmental aspects--Tropics.
Skyscrapers--Air conditioning--Tropics.
Skyscrapers--Energy conservation--Tropics.
Princeton subject headings: