[A woman walks in front of Cypriot flag painted on a wall in capital Nicosia]By Cecile Mantovani MONT PELERIN, Switzerland (Reuters) - Talks on reuniting the divided island of Cyprus have achieved significant progress and will resume on Nov. 20, the United Nations said on Friday, at the end of a fifth straight day of negotiations in the Swiss resort of Mont Pelerin. U.N. Secretary-General Ban Ki-moon opened the round of talks between Greek Cypriot President Nicos Anastasiades and his Turkish Cypriot counterpart Mustafa Akinci on Monday, saying they were both committed to trying to reach a deal this year. Significant progress has been achieved," the United Nations said in a brief statement released after 11 p.m. local time on Friday.