In a certain code language, 'x' represents '+', '÷' represents 'x', '-' represents '÷' and '+' represents '-'. Find out the answer to the following question.
Vijendra walks to his south-east side for 10 km. From there he turns 90 degree anti-clockwise and walks 10km and then he again turns 90 degree clockwise and travels 10 km. In which direction is he from his original position?