Learning curve

[barretcreek]

https://www.liveleak.com/view?t=ClPW2_1534085121

This fellow was at the left hand end.

[Sunray]

Read some of the comments. It's faked.

[JB White]

Not so much fake as it is a prank. It's a Trollstation stunt intended to get candid reactions from tourists. Not to mention the Queen's Guard would never be seen in a stage costume so chintzy and cheesy while on the wrong post.