This is the bizarre moment manhole covers were captured bouncing up and down on a road in northwestern China.<br /><br />In the video, shot in the city of Shangluo in Shaanxi Province on August 1, a couple of manhole covers bounced up and down repeatedly on a road, while vehicles drove past next to it. <br /><br />According to reports, the water pipe was being tested and the air pushed by the running water affected the manhole covers. <br /><br />The video was provided by local media with permission.