Aftermath footage of the roof of a double-decker tour bus ripped off by height restriction barriers.<br /><br />The video, shot in Zhengzhou City in central China's Henan Province on October 21, shows passengers standing on the upper deck of the bus after the roof got ripped off. <br /><br />Police officers and medical workers can be seen helping tourists get off the bus and sending injured people to hospital. <br /><br />Four people were injured and the bus driver was controlled by police.
