Columbia subject headings:
Architecture--Environmental aspects--Korea (South)--Seoul.
Chongno-gu (Seoul, Korea)
Sustainable architecture--Korea (South)--Seoul.
Sustainable urban development--Korea (South)--Seoul.
Harvard subject headings:
Architecture--Environmental aspects--Korea (South)--Seoul.
Chongno-gu (Seoul, Korea)
Sustainable architecture--Korea (South)--Seoul.
Sustainable urban development--Korea (South)--Seoul.
Princeton subject headings:
Chongno-gu (Seoul, Korea)
City planning--Environmental aspects--Korea (South)--Seoul.
Sustainable urban development--Korea (South)--Seoul.