Since 1970, Sam Abell has worked as a documentary photographer, shooting primarily for National Geographic. Over his 40-year career, he has depicted Aboriginal Australians, Montana cattle ranchers, and the Imperial Palace of Japan. Here, in an exclusive video interview, he recounts his year-long quest to find the perfect image of bison skulls for an essay on American painter Charles M. Russell.
Nadia Lopez didn't think anybody cared about her middle school. Then Humans of New York told her story to the Internet—and everything changed.