St. Petersburg is in danger of losing its status as a United Nations world heritage site because of OAO Gazprom Neft’s plan to build a 400-meter (1,050- foot) skyscraper in Russia’s second-largest city.  The United Nations Educational, Scientific and Cultural Organization renewed “its grave concern that the proposed Ohkta Center Tower could affect the outstanding universal value of the property and requests the state party to suspend work on this project...more.