According to the building law, the width of the road should be more than 4m, but it is only 3m in this alley
The narrow road has become narrower because of this temporary wall
But this is an open space for traffic 
A temporary wall made of trickery in a narrow alley…I raised a disaster. JTBC newsroom
From now on, let’s look at the institutional loopholes revealed by this disaster The alleyway was 3 meters wide, but it was actually narrower Because there was a temporary wall made of tricks He was right next to the scene of the accident, where there were a lot of victims▶ the full text of an article
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httpswwwyoutubecomwatchv=YS_XhysniSU
The hotel says there is no problem because it is using it after paying a fine