Firefighters rescued dozens of passengers trapped on a bus roof after a flood left roads submerged in southern China.<br /><br />In the video, filmed in the city of Shenzhen in Guangdong Province on September 13, more than 20 passengers are seen standing on the top of a bus which was submerged in deep floodwater.<br /><br />In another clip, zip lines were set up and a fireman was seen walking in the floodwater to bring a woman to safety.<br /><br />All passengers were rescued and no one was injured.<br /><br />The video was provided by local media with permission.