and was joined by a group of seven friends who built dachas nearby. In 1996, the group formally registered their fraternity as a co-operative society, calling it Ozero ("Lake") and turning it into a gated community. A massive Italianate-style mansion costing an alleged US$1 billion and dubbed "Putin's Palace" is under construction near the Black Sea village of Praskoveevka. In 2012, Sergei Kolesnikov, a former business associate of Putin's, told the BBC's Newsnight programme that he had been ordered by Deputy Prime Minister Igor Sechin to oversee the building of the palace. He also said that the mansion, built on government land and sporting three helipads, plus a private road paid for from state funds and guarded by officials wearing uniforms of the official Kremlin guard service, have been built for Putin's private use. On 19 January 2021, two days after Alexei Navalny was detained by Russian authorities upon his return to Russia, a video investigation by him and the Anti-Corruption Foundation (FBK) was published accusing Putin of using fraudulently obtained funds to build the estate for himself in what he called "the world's biggest bribe." In the investigation, Navalny said that the estate is 39 times the size of Monaco and cost over 100 billion rubles ($1.35 billion) to construct. It also showed aerial footage of the estate via a drone and a detailed floorplan of the palace that Navalny said was given by a contractor, which he compared to photographs from inside the palace that were leaked onto the Internet in 2011. He also detailed an elaborate corruption scheme allegedly involving Putin's inner circle that allowed Putin to hide billions of dollars to build the estate. Since the Prelude to the 2022 Russian invasion of Ukraine Putin prefers to travel in an armored train to flying. Pets Putin has received five dogs from various nation leaders: Konni, Buffy, Yume, Verni and Pasha. Konni died in 2014. When Putin first became president, the family had two poodles, Tosya and Rodeo. They reportedly stayed with his ex-wife Lyudmila after their divorce. Religion Putin is Russian Orthodox. His mother was a devoted Christian believer who attended the Russian Orthodox Church, while his father was an atheist. Though his mother kept no icons at home, she attended church regularly, despite government persecution of her religion at that time. His mother secretly baptized him as a baby, and she regularly took him to