A high-stakes meeting in Vienna next week to discuss the Iran nuclear deal. The meeting will include China, Russia and the EU. 

There is international hope that Iran and the United States could be on the verge of settling their long-standing disputes and bring the U.S. back into a nuclear deal involving the two nations. One significant element:  The U.S. and Iran will not be meeting face to face to resolve the differences. CGTN’s Sean Callebs explains.