A dust devil whirled in front of a residential building on a wedding in central China.<br /><br />The video, captured in Xi'an City in Shaanxi Province on May 14, shows the twister swirling in front of the residential building after firecrackers were set to mark a wedding.<br /><br />It is not known why the vertical vortex formed but it is speculated that the firecrackers created smoke that formed the dust devil.<br /><br />++CLIENTS PLEASE NOTE: THIS VIDEO HAS BEEN LOOPED++
