Instead, the Russians purposely designed Admiral Kuznetsov to utilize a dirty, cheap fuel source known as mazut. Mazut has a high sulfur content that is known for billowing black smoke emissions.

To be fair, Admiral Kuznetsov was simply a training platform ... his ship even belches thick, black smoke into the air, leaving a trail of soot miles in its wake, thanks to the Mazut fuel it ...

A huge freight train fire caused smoke to fill the air and could be seen for miles, with emergency services at the scene to extinguish the blaze in Czechia. People nearby have shared shocking ...