An interesting array of tails at LHR's T1.  The main tenant was BA and they are represented by the landing B737.
<a rel="nofollow" class="external text" href="https://www.flickr.com/people/130275500@N02">G B_NZ</a>
<a rel="nofollow" class="external text" href="https://www.flickr.com/photos/130275500@N02/15523466263/">LHR T1 tails</a>