Tancheon 3 Underground Walkway [[탄천 3지하보도]
In episode 1 of Still 17 / Thirty But Seventeen / 30 But 17 (서른이지만 열일곱입니다) (SBS, 2018), Young Gong Woo-jin (Yoon Chan-young) passes through this underground walkway to catch the bus in which Young Woo Seo-ri (Park Si-eun) is on board to bring back the keychain than accidentally attached itself to his bag.
Tancheon 4 Underground Walkway [탄천 4지하보도]
Seo Joon-Hee (Jung Hae-In) and Yoon Jin-Ah (Son Ye-Jin) walk through this pathway in episode 5 of Something in the Rain/Pretty Noona Who Buys Me Food/Pretty Sister Who Treats Me to Meals (밥 잘 사주는 예쁜 누나) (JTBC, 2018).
Tancheon (or Tanchon) Underground Walkways [탄천 3지하보도] are five underground walkways leading to Tancheon River [탄천], a tributary of Seoul’s Han River. Starting in July 2017, a 24-hour classical music broadcast was installed as a crime prevention measure because these walkways have no CCTV cameras installed.
The walkways are located in Seongnam’s neighborhood of Imae 2(i) [Imae 2(i)-dong/이매2동] in in the Bundang District [Bundang-gu/분당구].
Walkway 3 is located between Maeseong Middle School [마송중하교] and Maesong Children’s Park [매송어린이공원] whereas Walkway 4 sits right in front of Maesong Children’s Park [매송어린이공원] at the bus stop ‘Maesong Middle School.Poonglim Apartment’ [매송중학교.풍림아파트].
144 Imaedong Bundang-gu, Seongnam-si Gyeonggi-do
경기 성남시 분당구 이매동 144
Geolocation Walkway 3: 37.397059, 127.123476
Geolocation Walkway 4: 37.397557, 127.123390
Imae Station [이매역], Bundang Line or Gyeonggang Line, Exit 5/6
— submitted by Thom Musni with photos
— Something in the Rain added by Marion KDL