sentences:  As a member of a four-man expedition led by veteran Polish polar explorer Marek Kamiński called "Together to the Pole", Mela reached the North Pole on April 24, 2004 at the age of 15.After nine days of polar acclimatisation in Spitsbergen, Norway, the team began their 70 km trek on April 4, and received no outside assistance, relying solely on the supplies and gear they could pull on sleds.Eight months later, Mela and Kamiński reached the South Pole in Antarctica on December 31, 2004 – a day after Mela's 16th birthday.