A Chinese woman draws the sum 7+2=9 on a dusty car, forming a cute picture of a mouse.<br /><br />The interesting clip, filmed in Shenzhen City in southern China's Guangdong Province on January 2, shows a woman turning the simple maths sum into a drawing using just her finger on a dusty car window.<br /><br />++CLIENTS PLEASE NOTE: THIS VIDEO HAS BEEN LOOPED++
