File photo taken on July 24, 2012, shows an overview from east to west of the lower part of the sequence of Qesem Cave near Rosh Ha'ayin in central Israel. Researchers in Israel have unearthed the world's most ancient bonfire, dating back 300,000 years ago, as well as the oldest remains of cooked meat to have been discovered until now. A dig in the cave of Qesem, near Rosh Ha'ayin in central Israel, has brought to light what archaeologists believe is the oldest barbecue that had been in continuous use. The discovery is part of the ongoing excavation at the cave, which began in the year 2000 to study the remains found at the site. (Xinhua/JINI)