In an unprecedented move this past weekend, around 60,000 people across Russia took to the streets in protest against their leaders, sporting rubber ducks and carrying sneakers. Why the odd accessories? It was apparently a nod to the opulence of their Prime Minister Dmitry Medvedev, who has a grand duck house in the middle of his estate's pond - as well as an online shopping shoe addiction. It's no secret that Russia's billionaire oligarchs live an extravagant lifestyle, but just how over-the-top are their homes? Click through to find out. 

[Photo via MK Elite]