LONDON, England, Nov. 19 -- The University College London issued the following news: * * * Unearthing the City of Seven Ravines The remains of an extensive Bronze Age settlement on the Kazakh Steppe that was likely once a major regional hub for large-scale bronze production more than 3,500 years ago, have been revealed by an international team of archaeologists co-led by researchers from UCL. Published in Antiquity Project Gallery and co-led by Durham University and Kazakhstan's Toraighyrov  more PR