Links
[1] http://www.si.re.kr/%23
[2] http://facebook.com/sharer.php?u=http%3A%2F%2Fwww.si.re.kr%2Fnode%2F45595&t=%5B%ED%86%A0%EB%A7%89%EA%B8%B0%EC%82%AC%5D%20%EC%8B%9C%EB%AF%BC%20%EA%B3%B5%EB%AA%A8%EB%A5%BC%20%ED%86%B5%ED%95%B4%20%EB%A7%A8%ED%99%80%20%EB%9A%9C%EA%BB%91%20%EB%94%94%EC%9E%90%EC%9D%B8%20%EA%B0%9C%EC%84%A0%20%28%EC%BA%90%EB%82%98%EB%8B%A4%20%EB%B0%B4%EC%BF%A0%EB%B2%84%E5%B8%82%29
[3] http://twitter.com/intent/tweet?url=http%3A%2F%2Fwww.si.re.kr%2Fnode%2F45595&text=%5B%ED%86%A0%EB%A7%89%EA%B8%B0%EC%82%AC%5D%20%EC%8B%9C%EB%AF%BC%20%EA%B3%B5%EB%AA%A8%EB%A5%BC%20%ED%86%B5%ED%95%B4%20%EB%A7%A8%ED%99%80%20%EB%9A%9C%EA%BB%91%20%EB%94%94%EC%9E%90%EC%9D%B8%20%EA%B0%9C%EC%84%A0%20%28%EC%BA%90%EB%82%98%EB%8B%A4%20%EB%B0%B4%EC%BF%A0%EB%B2%84%E5%B8%82%29
[4] http://vancouver.ca/home-property-development/previous-winners.aspx
[5] http://www.cultcase.com/2009/06/manhole-cover-designs-22-urban.html
[6] http://www.seattle.gov/light/neighborhoods/nh4_art.htm
[7] http://www.ironcladart.ca/
[8] http://www.si.re.kr/world_trends