BBC News By Anastasia Napalkova, Timur Sazonov, Anna Pushkarskaia BBC News Russian image copyrightYouTube/Alexei Navalny image captionNavalny's report claimed the vast property features a casino, an ice rink and a vineyard The mysterious "Putin's Palace" that featured in a viral video by Russian opposition leader Alexei Navalny appeared to be full of luxuries gifted to President Vladimir Putin by wealthy friends. But then Russian TV broadcast a completely different report. Gone was the sprawling palace's voluptuous decor, replaced instead by bare, concrete walls. The property looked as if it was being thoroughly rebuilt - raising questions about what exactly is happening at the estate.