Passengers wait in line to check in for the first direct flight from Shenzhen to Riyadh, capital of Saudi Arabia, at the Shenzhen Bao’an International Airport yesterday. The Shenzhen-Riyadh direct flight route was officially launched that day and is operated by China Southern Airlines. This is the first direct passenger air route from Shenzhen to Riyadh and the fifth to Middle East cities, following Cairo, Dubai, Tel Aviv, and Tehran.    SZ Satellite TV