http://www.manchestereveningnews.co.uk/news/greater-manchester-news/video-curse-spinning-statue-manchester-4698583

There's nothing mysterious here. It's on the end of a center-supported shelf. People are walking around it, there's probably vibrations in the building from HVAC, trucks going by, elevators, everthing else that goes on in a modern building.
Heavy statue + "Diving board effect" on shelf + time = rotation or sliding.
Of course, the fucking paper immediately says "THERE MAY BE A SPIRITUAL EXPLANATION FOR THIS", because, you know, breathless old assholes want to hear that shit.
But it's crap. If the mummies themselves don't get up and FUCK SOME SHIT UP on the people that EMPTIED THEIR GRAVES, then what POSSIBLE use would an angry spirit have for ROTATING A STATUE? Are they going to also hold their breath until we put shit back? Are they going to run off to the circus, boy that would show us!
Are they trying to communicate? "What's that, Amenhotep? Howard Carter fell down the well?"
No. It's fucking vibrations from shitty display design plus sensationalist bullshit, if not an engineered fraud.
DOK,
BRINGING THE SCIENCE IF YOU CAN'T BRING AN ACTUAL
SCARY GODDAMN UNDEAD THINGIE.