On April 23, Seoul Mayor Oh Sehoon visited the construction site of the underground complex development on Yeongdong-daero in Gangnam-gu, Seoul, inspecting the rock excavation area of Section 3.
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![[Photo] Mayor Oh Sehoon Visits Yeongdong-daero Underground Construction Site](https://cphoto.asiae.co.kr/listimglink/1/2025042312260231443_1745378762.jpg)

