Summary | For most of 12 years, Ruan Fayou walked into a hole
eight feet high to go to work, one among a ragged line of
bobbing helmets wending nearly a mile deep into the hills of
China's Guizhou province.
eight feet high to go to work, one among a ragged line of
bobbing helmets wending nearly a mile deep into the hills of
China's Guizhou province.
blogs.wsj.com | 23 May 2015