Saudi Arabia's King Salman disembarks from a plane upon his arrival at Vnukovo airport outside Moscow, Russia, Oct. 4, 2017. The 81-year-old leader of the Gulf kingdom exited his plane and stepped out onto the special golden escalator he traveled with. He stood puzzled midway down the stairway which appeared to stop working. He waited for around 20 seconds before being helped down the escalator by aides. (Photo/Agencies)
