The street safeguard pavilion had been cleared during the district shop front restoration, and left a piece of pentagonal concrete floor that floating above the pedestrian way, which struck me one afternoon back from lunch, so I made mega sim card within 2 hours.
I was spoted by the safeguard with a red hashmark, who just sit by the supermark entrance, and reported to his superior at the end of my process, who arrived by bike and questioning me what am i working on, and denied my right to modify any on it, and start to chop it with a metal sticker, obviously, none of them figured out my intent, and worried about any unknow message that it carries off...