In Clifton, a suspension bridge links Bristol with North Somerset.

在克里夫顿，一座吊桥连接了布里斯托尔和北萨默赛特郡。

The researchers recorded videos of horse flies as they tried to bite zebras and horses at a farm in North Somerset, England.

研究人员录制了马蝇的视频，在英格兰北萨默塞特的一家农场上，它们试图叮咬斑马和马。