【国家地理】犯罪现场清洁师——真实生活中的CSI

[视频作者] lady66

[视频时长] 4:43

[视频类型] 科学科普

https://www.youtube.com/watch?v=Ys09c9lANjI When a life ends in the worst possible way, and after the police and coroner have left, someone still has to clean up.