Charles Moore and his team at the Algalita Marine Research Foundation have spent ten years studying plastic waste and testing water from the ocean.

VOA: special.2009.09.22

Excavations at Jericho and Ai indicate that both of these towns were ; laid waste at least 200 years before the probable time of Joshua; so there weren't even any walls in Jericho at the time of Joshua.

耶利哥和艾城的挖掘都显示这两个城镇,都在约书亚前200年就已被毁损;,因此在约书亚时期，耶利哥根本就没有城墙。

耶鲁公开课 - 旧约导论课程节选