It is intricately made with polished green stone and is thought to have adorned a very important woman or child on only special occasions. Yet this is no modern-day fashion accessory and is instead believed to be the oldest stone bracelet in the world, dating to as long ago as 40,000 years. Unearthed in the Altai region of Siberia in 2008, after detailed analysis Russian experts now accept its remarkable age as correct. New pictures show this ancient piece of jewellery in its full glory with scientists concluding it was made by our prehistoric human ancestors, the Denisovans, and shows...