<http://schema.org/mainEntityOfPage>
<http://online.wsj.com/articles/commercial-airlines-asked-to-reduce-flights-by-75-in-shanghai-due-to-military-exercises-1406622812>
<http://www.wsj.com/articles/commercial-airlines-asked-to-reduce-flights-by-75-in-shanghai-due-to-military-exercises-1406622812?mod=World_newsreel_7>