We don’t really have an explanation; all we know is that a man in a horse mask running about Hong Kong is pretty entertaining, especially when he sprints onto the Happy Valley racecourse while a race is actually happening.
(Thankfully, the idiot didn’t get hurt.)
The video was made by Follow the Foot, which makes cool travel videos.
This one below is a favourite of ours: they dance all over the globe while the rest of the world goes around their business… backwards.

