<p>This 747-400 of Korean Air is one of the 18 jets that were diverted when LHR closed unexpectedly on December 18. It was the biggest of all 18, and the first or second to leave. LHR was still closed, it ferried to MAD to reenter scheduled service operations. 
This picture shows it after pushback. The airacraft in the foreground is A 777-200ER of Asiana (South Korea), also diverted en route from ICN to LHR. 
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Pic JVC
<a rel="nofollow" class="external text" href="https://www.flickr.com/people/56396013@N04">Brussels  Airport</a> from Belgium
<a rel="nofollow" class="external text" href="https://www.flickr.com/photos/brusselsairport/5303553648/">Korean</a>