（二）以暴力、威胁或者其他手段强迫他人劳动的；
“한국은 ‘얼죽아’의 본고장”… 스타벅스, 韓서 세계 최초 ‘에어로카노’ 출시
，详情可参考91视频
to 16LL<<31).
🚨 Critical Issues: (Security, Performance)
You look at a region of the image. If all the pixels are roughly the same color (below some threshold), you store the average color for the whole region as a single value. If the pixels vary too much, you split the region into four quadrants and try again.