Every week we ask a North Korean your questions, giving you the chance to learn more about the country we know so little about. This week, Emmanuel de Klerk from South Africa asks:Do North Korean people get plastic surgery like South Koreans do? If so, what kind of operations are popular?Your question about plastic surgery reminded me of the ‘eye exam’ that we used to have in high school, held at an almost random frequency.Without advance notice, inspectors – who were often teachers that we had not met before, would suddenly come into the classroom to look for