Piotr Dytko, 42, a miner who has has worked for 24 years in mines, looks on as he works about 500 meters underground at the Boleslaw Smialy coal mine, a unit of coal miner Kompania Weglowa (KW) in Laziska Gorne, Silesia, southern Poland September 11, 2015. Coal mining has taken centre stage in the campaign for this month's parliamentary election in Poland, an outsize political role that threatens the country's hard-won economic growth and reputation in Europe. Picture taken September 11, 2015. REUTERS/Kacper Pempel TPX IMAGES OF THE DAY