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Illegal buildings were scattered all over the alleys around Itaewon where the accident occurred.

Many pointed out that such illegal buildings that made the narrow alleys more cramped increased the damage, but as a result of our big data analysis, it was revealed that there are still many such dangerous facilities in places where many people visit.



Reporter Kim Bo-mi covered the scene.



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The terrace protrudes from the hotel building and occupies the road, and it was an unauthorized extension to increase the business area.



Eight such illegal buildings were identified near the disaster site, and they had been neglected for as little as one year and as long as nine years.



Most of the unauthorized extensions that hindered walking have been demolished, but



[Yongsan-gu Office official: We reported it because we didn't correct it, and we voluntarily repaired it because we reported it.]



Blind spots still remain.



This temporary wall installed to block the heat of the outdoor unit of the air conditioner in the alley where the accident occurred is not a building under the current law, making it difficult to evict.



A pub that expanded the terrace on the second floor without permission has also been enduring for over four years.



[Hyeongjun Ahn/Former Dean of Architecture, Konkuk University: It should be established that the principle is to demolish illegal buildings without imposing a compulsory performance fee.

You shouldn't build illegal buildings at all...

.]



These dangers lurk everywhere in downtown Seoul.



When the SBS Data Journalism Mabuchi team analyzed the current status of illegal buildings in Seoul, a whopping 44,452 were identified throughout the city.



When we analyzed the areas with the highest floating population as of the weekend evening last month by dong unit, Illegal buildings and floating population were the highest in Seogyo-dong, the main street at the entrance to Hongik University.



entered the scene.



Unauthorized extensions installed to expand the store area and increase business convenience stand out one after another.



All of them are factors that increase the risk of accidents by interfering with walking, but it is the position that it is unavoidable.



[Merchant: (By illegal extension) I crossed the (line) little by little, but without this, all the merchants can't do it...

.]



Right after the disaster, 18 amendments to the Disaster and Safety Act were proposed, including the imposition of administrative responsibility on the head of a local government, even for events without an organizer.



However, the political strife between the ruling and opposition parties has prevented all of them from crossing the threshold of the standing committee.



(Video coverage: Yang Ji-hoon, Video editing: Jeon Min-gyu, VJ: Lee Jun-young, Data analysis: Bae Yeo-woon)