More than 1,000 rock carvings abound on Kanozero Island in Northern Russia. One of them beats The Flintstones by several millennia. Usually, featured objects are displayed in museums. But sometimes there are relics that can't be put on exhibition - as is the case with the petroglyphs which are hidden deep in the Russian forests.It was known that there were rock carvings on some islands in Lake Kanozero, and Jan Magne Gjerde, project manager at the Tromsø University Museum, Norway, went out there to document them as part of his doctoral work. When he and his colleagues finished, the number of known petroglyphs had increased from 200 to over 1,000.The Presurfer
