Reader Binbin writes in to ask what advice I would share with my 18-year-old self if I could go back in time. If you’re recently out of high school, or any stage in your life really, and you want to break free and explore the world, here is the mindset I would recommend to get started…

We saw the Ninth Wonder of the Ancient World, but we also saw severe poverty and the aftermath of genocide. Read what I have to say after visiting Cambodia and witnessing child beggars, the Vietnam-era Killing Fields, and schoolyards turned into prisons. And more strangely, see how I compare this living hell to the new Watchmen film.