2015-08-19 BBC:巨石阵行动:被埋藏的秘密-17（在线收听）

 Five and half thousand years ago, Causewayed counties, like Crickley Hill and Robinhoods Bowl, were abandoned. Their decline signaled the end of large-scale hostilities in ancient Britain. In the relative peace that followed, monument construction in the Stonehenge landscape began once more. With digging of huge oval ditches, the largest of which is the Greater Curses. -The largest monument in this landscape is undoubtedly the Greater Curses. It's h* the Curses has been very, very difficult. It's only when he starts finding more detail about the architecture that he starts to get a better understanding of what is essentially a very, very big long banked ditch.