Holding onto the rails of a cage, we descend lower and lower into the coal mine. It is pitch dark, hot and humid. Every now and then a spray of water drizzles on us.
원문출처 : http://edition.cnn.com/2015/02/02/asia/india-coal-mine-energy/index.html?eref=edition
원문출처 : http://edition.cnn.com/2015/02/02/asia/india-coal-mine-energy/index.html?eref=edition