The Knight Bus is a purple triple-decker, specially modified <a href="https://en.wikipedia.org/wiki/AEC_Regent_III_RT" class="extiw" title="en:AEC Regent III RT">AEC Regent III RT</a> bus, used in the <a href="https://en.wikipedia.org/wiki/Harry_Potter_(film_series)" class="extiw" title="en:Harry Potter (film series)">Harry Potter film series</a> at <a href="https://en.wikipedia.org/wiki/Warner_Bros._Studios,_Leavesden" class="extiw" title="en:Warner Bros. Studios, Leavesden">Warner Bros. Studios, Leavesden</a>, UK
<a href="//commons.wikimedia.org/wiki/User:Marek69" title="User:Marek69">Marek69</a>
CC BY-SA 4.0
<p>I Marek Kosniowski (<a href="https://en.wikipedia.org/wiki/User:Marek69" class="extiw" title="en:User:Marek69"><span style="color:DarkBlue;">Marek.</span></a><a href="https://en.wikipedia.org/wiki/Special:Contributions/Marek69" class="extiw" title="en:Special:Contributions/Marek69"><small><span style="color:Blue;">69</span></small></a>) created this work entirely by myself. 
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<span class="int-own-work" lang="en">Own work</span>