At the foot of a mountain in a remote village in Lushun, the working conditions for the brick burners at a brick factory are very arduous. In addition to high dust levels, they have to endure temperatures of nearly 50 degrees Celsius every day as they enter and exit the kiln caves. Worker Mr. Li, covered in dust, says, "I started working in the brick kiln when I was 18 years old, and now I'm 50. I don't know which day the kiln will..."