UNESCO adds five sites to World Heritage List Xinhua 29 Jul 2021, 14:44 GMT+10 PARIS, July 28 (Xinhua) -- The World Heritage Committee on Wednesday added four cultural sites, located in Russia, Italy, Slovenia and the United Kingdom and one natural site in Africa to UNESCO's World Heritage List. The serial property "Petroglyphs of Lake Onega and the White Sea" in Russia, containing 4,500 petroglyphs carved in the rocks during the Neolithic period dated 6,000 to 7,000 years ago, is one of the largest such sites in Europe with petroglyphs that document Neolithic culture in Fennoscandia. "They show significant artistic qualities and testify to the creativity of the Stone Age," said the committee.