 Of especial note were a number of building projects deemed by many experts and conservative public to contradict the classical architecture of the city where the entire centre is UNESCO World Heritage site.Matviyenko supported the construction project of the Gazprom City business center (also called Okhta Center) including a 400-meter skyscraper holding the headquarters of some of Gazprom's subsidiaries on the right bank of the Neva River in the vicinity of the historic Smolny Cathedral.The current regulations forbidding construction buildings of more than 42 meters (48 with expert approval) were specially changed by the city administration for the project.