You can see more of the artist's pavement drawings at his website.
And more art in PhotoBlog.
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It looks like the student protesters are taking a different tack after violent protests resulted in the death of one of their own. More coverage of Chile in pictures on PhotoBlog.
See more recent coverage in PhotoBlog of the rebel advances in Congo, and another post about bloodhounds used to track elephant poachers in Virunga National Park. Follow @msnbc_pictures •Sign up for the NBCNews.com Photos Newsletter
You can see more images of piercings in PhotoBlog. •Sign up for the msnbc.com Photos Newsletter Follow @msnbc_pictures
Related PhotoBlog photo on protests Follow @msnbc_pictures •Sign up for the msnbc.com Photos Newsletter