China's coal mine disaster is a reminder of its darkest days
Source: Bbc
Published:
<p>In Shanxi, the province that sits at the heart of China's coal-mining industry, there's long been a saying: "Only go down a coal pit when you have no other way out."</p> <p>For decades, life in these pits was intertwined with tragedy.</p> <p>It became so common that it gave rise to other sayings: