Take a look at this incredible mega estate in Ukraine owned by Rinat Leonidovych Akhmetov, who is a Ukrainian billionaire businessman and oligarch. Known as the richest man in the Ukraine (with a net worth of $7.6 billion USD), Rinat also bought the world’s most expensive flat in London in 2011 for $221 million and a French Riviera House in 2020 for €200 million. He also owns THIS estate in Donetsk, Ukraine.