LOTTE CM organized a tour to LOTTE WORLD TOWER with Vietnam Construction Ministry employees including Bui Pham Khanh(Vice Minister of Vietnam Construction Ministry).
 This tour was organized with LOTTE CM's invitation during "1st ASEAN-ROK Infrastructure Ministers' Meeting" discussing way to mutual growth of infrastructure within 10 ASEAN-and ROK.
 LOTTE CM told that Vietnam Construction Ministry employees visited LOTTE WORLD TOWER(the tallest tower in Korea) and Seoul Sky Observatory also had a chance to look around the construction technologies of High-rise buliding.