article_snippet.sent: Along the way Discover Magazine caused chaos across the area's major cities including Riyadh and Dubai, where some locations were reduced to zero visibility, streets turned a shade of orange and schools were forced shut.
article_snippet.sent: Visibility was reduced to 0.1 mile for several hours at Dubai International Airport, which is one of the world’s busiest in terms of volume of flights.'
article_snippet.sent: More than 450 Saudi Arabian Airlines flights were cancelled between Wednesday and Friday - which equals 33 per cent of the carrier's 1,526 scheduled flights, the Saudi Gazette reported.
article_snippet.sent: On top of this, 678 flights were delayed and another 19 rerouted from airports in Jeddah, Riyadh and Dammam.
article_snippet.sent: According to the BBC, strong winds aggravated the problem, causing a 'near complete lack of vision in daylight', the UAE National Centre for Meteorology and Seismology said.