https://mediahub.seoul.go.kr/archives/2001673
https://100mountain.tistory.com/866
https://www.seouland.com/arti/society/society_general/491.html
https://www.flickr.com/photos/tfurban/9109329130
https://www.news1.kr/realestate/construction/4657007
https://brunch.co.kr/@@36j/4
https://m.miral.org/news/story_view.asp?bbsIdx=14080&bbsCode=story
https://www.crowdpic.net/photo/%EA%B2%BD%EC%9D%98%EC%84%A0%EC%88%B2%EA%B8%B8-%EC%97%B0%ED%8A%B8%EB%9F%B4%ED%8C%8C%ED%81%AC-%EA%B3%B5%EC%9B%90-%EC%82%B0%EC%B1%85%EB%A1%9C-%EB%8F%84%EC%8B%AC%EC%88%B2-1224252
http://www.tvdaily.co.kr/read.php3?aid=14636598781116402016
https://blog.naver.com/llcs1999/220753900116?viewType=pc
https://lak.co.kr/greenn/list.php?ca=2010&id=&page=43
http://blog.naver.com/suk4408/223457910930
http://www.dosijeongbi.com/1513
https://210710story.tistory.com/entry/%EA%B3%B5%EB%8D%95-%EA%B2%BD%EC%9D%98%EC%84%A0-%EC%88%B2%EA%B8%B8-%EC%9A%B0%EB%A6%AC%EB%8F%99%EB%84%A4-%EC%82%B0%EC%B1%85%ED%95%98%EB%A9%B0-%ED%9E%90%EB%A7%81%ED%95%98%EA%B8%B0%E2%99%A5
https://mediahub.seoul.go.kr/archives/2001506
https://www.youtube.com/watch?v=JGSw1Qct_EU
https://mediahub.seoul.go.kr/archives/20123781/17
