Jaehun Woo
Dongdaemun Design Plaza
edithttps://en.wikipedia.org/wiki/Dongdaemun_Design_Plaza
1st
Viewpoints of the article at the moment is underrepresented in a way since it does not convey enough information about the architect, design method, and construction method.
Information regarding history of the site would enrich the page since DDP was built on a site with long history and there was a lot of dispute regarding the project.
Source: Seoul Metropolitan City Official Website: http://www.seoul.go.kr/main/index.html One hundred years of Seoul (Korean Book) Thesis papers
History of Dongdaemun Park Controversy on erection of building Exterior and facilities Architectural value (strucuture, form,)
Seoul City Hall
edithttps://en.wikipedia.org/wiki/Seoul_City_Hall
2nd
Not enough information on controversy and its history. Source of information is newspaper and unknown book. Many can be edited and added with better source.
Seoul Metropolitan City Official Website: http://www.seoul.go.kr/main/index.html One hundred years of Seoul (Korean Book) Thesis papers
History of City Hall (Chosun Dynasty, Japanese Colonial Era, Demolition, Current State) Controversy on the project General floor plan and explanation on amenities.
Jun'ya Ishigami
edithttps://en.wikipedia.org/wiki/Jun%27ya_Ishigami
Many information is missing and more information could be added considering his talent and global recognition.
Source of the information is from a book but more could be added. His major works and his contribution can make the article more effective.
Your first choice looks great. Go for it.
edit--Eric WritingMan (talk) 16:18, 1 November 2017 (UTC)